Science & Technology
TikTok prepares to shut down app in US on Sunday, sources say
TikTok and its Chinese parent, ByteDance, did not immediately respond to Reuters’ requests for comment.
TikTok plans to shut U.S. operations of its social media app used by 170 million Americans on Sunday, when a federal ban is set to take effect, barring a last-minute reprieve, people familiar with the matter said on Wednesday.
The Washington Post reported President-elect Donald Trump, whose term begins a day after a ban would start, is considering issuing an executive order to suspend enforcement of a shutdown for 60 to 90 days. The newspaper did not say how Trump could legally do so, Reuters reported.
The law signed in April mandates a ban on new TikTok downloads on Apple (AAPL.O), or Google (GOOGL.O), app stores if Chinese parent ByteDance fails to divest the site.
Users who have downloaded TikTok would theoretically still be able to use the app, except that the law also bars U.S. companies starting Sunday from providing services to enable the distribution, maintenance, or updating of it.
The Trump transition team did not have an immediate comment. Trump has said he should have time after taking office to pursue a “political resolution” of the issue.
“TikTok itself is a fantastic platform,” Trump’s incoming national security adviser Mike Waltz told Fox News on Wednesday. “We’re going to find a way to preserve it but protect people’s data.”
A White House official told Reuters Wednesday President Joe Biden has no plans to intervene to block a ban in his final days in office if the Supreme Court fails to act and added Biden is legally unable to intervene absent a credible plan from ByteDance to divest TikTok, read the report.
U.S. Senator Ed Markey on Wednesday sought unanimous consent to extend the deadline for ByteDance to divest TikTok by 270 days but Republican Senator Tom Cotton blocked the proposal.
If it is banned, TikTok plans that users attempting to open the app will see a pop-up message directing them to a website with information about the ban, the people said, requesting anonymity as the matter is not public.
“We go dark. Essentially, the platform shuts down,” TikTok lawyer Noel Francisco told the Supreme Court last week.
The company also plans to give users an option to download all their data so that they can take a record of their personal information, the sources said.
The U.S. Supreme Court is currently deciding whether to uphold the law and allow TikTok to be banned on Sunday, overturn the law, or pause the law to give the court more time to make a decision.
Shutting down TikTok in the U.S. could make it unavailable for users in many other countries, the company said in a court filing last month, because hundreds of service providers in the U.S. help make the platform available to TikTok users around the world – and could no longer do so starting Sunday, Reuters reported.
TikTok said in the court filing an order was needed to “avoid interruption of services for tens of millions of TikTok users outside the United States.”
TikTok had said that the prohibitions would eventually make the app unusable, noting in the filing that “data centers would almost certainly conclude that they can no longer store” TikTok code, content, or data.
The sources said the shutdown aims to protect TikTok service providers from legal liability and make it easier to resume operations if President-elect Donald Trump opted to roll back any ban.
Shutting down such services does not require longer planning, one of the sources said, noting that most operations have been continuing as usual as of this week. If the ban gets reversed later, TikTok would be able to restore service for U.S. users in a relatively short time, sources said.
TikTok and its Chinese parent, ByteDance, did not immediately respond to Reuters’ requests for comment.
U.S. tech publication The Information first reported the news late on Tuesday.
Privately held ByteDance is about 60% owned by institutional investors such as BlackRock and General Atlantic, while its founders and employees own 20% each. It has more than 7,000 employees in the United States, read the report.
President Joe Biden last April signed a law requiring ByteDance to sell its U.S. assets by Jan. 19, or face a nationwide ban. Last week, the Supreme Court seemed inclined to uphold the law, despite calls from Trump and lawmakers to extend the deadline.
TikTok and ByteDance have sought, at the very least, a delay in the implementation of the law, which they say violates the U.S. Constitution’s First Amendment protection against government abridgment of free speech.
TikTok said in the court filing last month it estimated one-third of its 170 million American users would stop accessing the platform if the ban lasted a month.
Science & Technology
Meta turns off Instagram’s private messaging encryption worldwide
Meta said the decision was based on low user adoption, though critics argue optional privacy tools often see limited use because users must manually activate them.
Instagram has disabled its end-to-end encrypted (E2EE) direct messaging feature worldwide, marking a major reversal by parent company Meta on its previous commitment to stronger user privacy protections.
The move means Instagram users can no longer send ultra-private direct messages protected by E2EE — a security system that allows only the sender and recipient to read messages. Without the feature, Instagram can technically access the content of direct messages, including photos, videos and voice notes.
Meta had previously promoted encryption as “the future is private.” In 2019, CEO Mark Zuckerberg pledged to expand the technology across the company’s platforms.
Facebook Messenger adopted E2EE in 2023, while Instagram introduced it as an optional feature with plans to make it standard.
However, Meta has now abandoned the wider Instagram rollout and updated the app’s terms in March to confirm encrypted messaging would no longer be supported after 8 May 2026.
Meta said the decision was based on low user adoption, though critics argue optional privacy tools often see limited use because users must manually activate them.
The move has divided opinion. Child protection groups, including the NSPCC, welcomed the change, saying encryption can make it harder to detect child grooming and abuse online.
Privacy advocates criticised the decision. Maya Thomas of Big Brother Watch warned the move weakens online privacy protections and could increase pressure on other social media companies to scale back encryption.
End-to-end encryption remains standard on platforms including WhatsApp, Signal, Apple’s iMessage and Google Messages, while other platforms continue to take mixed approaches to private messaging.
Science & Technology
James Webb Telescope captures clearest-ever view of exoplanet’s surface
Astronomers using NASA’s James Webb Space Telescope have obtained the clearest view yet of the surface of a rocky exoplanet, revealing a scorched, atmosphere-free world that scientists say resembles a giant version of Mercury.
The planet, known as LHS 3844 b and nicknamed “Kua’kua,” appears to be a barren, uninhabitable world with extreme temperature swings and no detectable atmosphere, according to a study published this week in Nature Astronomy.
Researchers said the planet’s surface is likely covered in dark volcanic rock and ancient regolith — loose rocky debris formed over billions of years from relentless bombardment by radiation and micrometeorite impacts.
“This planet is not a nice place,” said astronomer Laura Kreidberg, senior author of the study. “It’s a hellish, barren rock — much more similar to Mercury than Earth.”
Located about 49 light-years away, LHS 3844 b orbits a small red dwarf star and completes a full orbit every 11 hours. The planet is tidally locked, meaning one side permanently faces its star while the other remains in darkness — similar to how the Moon always shows the same face to Earth.
Scientists found the planet’s dayside reaches roughly 1,340 degrees Fahrenheit (725 degrees Celsius), while the nightside showed almost no detectable heat.
Using Webb’s infrared instruments, researchers were able to directly analyze light coming from the planet’s surface — a major breakthrough for exoplanet science.
“Different rocks have different spectral fingerprints,” said lead author Sebastian Zieba. “Dark volcanic rocks like basalt matched our observations much better than brighter rocks like granite.”
The findings mark a new phase in exoplanet research, shifting beyond atmospheric studies toward direct analysis of alien geology and surface composition.
Since becoming operational in 2022, the Webb telescope has transformed scientists’ understanding of planets beyond the solar system, helping identify atmospheric chemistry, weather patterns and now even the nature of distant planetary surfaces.
Researchers said the absence of an atmosphere on LHS 3844 b means there is little protection from stellar radiation and virtually no possibility of liquid water — a key ingredient for life.
“So overall, this is almost certainly not a habitable world,” Zieba said.
Science & Technology
Afghanistan launches first 5G trial in Kabul to boost telecom services
According to ministry spokesperson Enayatullah Alokozai, AWCC has upgraded 74 telecom antennas in Kabul to 5G on a trial basis.
Afghanistan has launched its first-ever 5G telecommunications trial in Kabul, marking a major milestone in efforts to modernise the country’s digital infrastructure.
The announcement followed a meeting between Hamdullah Nomani, Minister of Communications and Information Technology, and Aliullah Sarwari, head of the Afghan Wireless Communication Company (AWCC), where discussions focused on expanding telecom coverage, improving service quality, and extending connectivity to remote regions.
According to ministry spokesperson Enayatullah Alokozai, AWCC has upgraded 74 telecom antennas in Kabul to 5G on a trial basis. Once technical preparations and testing are completed, the company plans to extend 5G services to other provinces.
Officials also reported steady progress on broader infrastructure development. Eight telecom sites approved during previous official visits to northern and southeastern provinces have been completed, one is nearing completion, and construction continues on two additional sites expected to become operational soon.
In parallel, the Afghanistan Telecom Regulatory Authority (ATRA) has approved eight more telecom sites under the Telecom Development Fund (TDF), with implementation scheduled in the coming months.
Sarwari noted that since the beginning of 2026, AWCC has built and activated 46 telecom sites using its development budget, while work continues on a further 186 sites nationwide.
He also thanked the Ministry of Communications and Information Technology for its ongoing support in facilitating sector growth and improving service delivery.
Nomani meanwhile emphasised that telecommunications play a crucial role in national development and said the government remains committed to working closely with operators to expand modern, high-quality digital services.
Officials added that cooperation between the ministry, regulators, and telecom companies will continue across all operational and regulatory areas to strengthen Afghanistan’s communications network.
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