Shares of the social media company fell 17.7 percent to $37.10 in premarket trading, their lowest level since Musk disclosed his stake in the company in early April and subsequently made a "best and final" offer to take it private for $54.20 per share.

The expert in computational imaging -- developing algorithms to observe distant phenomena -- helped create the program that led to the release of the first image of a black hole in a distant galaxy in 2019.

The image -- produced by a global team of scientists known as the Event Horizon Telescope (EHT) Collaboration -- is the first, direct visual confirmation of the presence of this invisible object, and comes three years after the very first image of a black hole from a distant galaxy.

May 11, 1997 was a watershed for the relationship between man and machine, when the artificial intelligence (AI) supercomputer Deep Blue beat the king of chess.

According to an analysis of data sent back by the rover, Zhurong, signs of water were detected in sampled minerals from just 700 million years ago, the scientists said in a paper published on Wednesday in the journal Science Advances.

Late Apple co-founder Steve Jobs introduced the devices nearly 21 years ago with his legendary showmanship flare, and the small, easy to operate players helped the company revolutionize how music was sold.

At the height of its powers, the pocket-sized music player known as the iPod shifted tens of millions of units each year.

As urban traffic gets more miserable, entrepreneurs are looking to a future in which commuters hop into "air taxis" that whisk them over clogged roads.

The James Webb Space Telescope will produce "spectacular color images" of the cosmos in mid-July -- its first observations dedicated to its mission of scientific discovery, an astronomer overseeing the project said Monday.

As fuel price is soaring, Sudan sees the rise of electric rickshaws that are both cheaper and cleaner for the environment.

From quoting the national anthem to referencing Hollywood blockbusters and George Orwell's dystopian novel 1984, Chinese web users are using creative methods to dodge censorship and voice discontent over COVID-19 measures.

Musk, chief executive of Tesla and SpaceX, listed 18 investors who agreed to cash investments including Ellison ($1 billion), Sequoia Capital ($800 million) and Vy Capital ($700 million). 

The hit battle-royal videogame has been out of the reach of mobile users since Apple Inc and Google removed it from their app stores in 2020 over a tussle about in-app payment guidelines.

TikTok announced an ad revenue-sharing program with its most prominent creators, moving closer to a model already used by its competitors.

Musk has signed a deal to buy Twitter for $44 billion, raising questions among employees and the public about his strategy for running the social media network.

Ottawa has already extended its jurisdiction over criminal acts committed by Canadian astronauts during space travel to the International Space Station.

Musk last month filed a motion to overturn Securities and Exchange Commission (SEC) restrictions imposed following his 2018 tweet, in which he said he had acquired funding to take Tesla private, but did not provide proof or file paperwork with the securities regulator.

The pandemic has changed the nature of office work, propelling a massive rise in videoconferencing that looks unlikely to abate as homeworking becomes more entrenched across the world.

Musk tweeted he disagreed with a decision Twitter made in 2020 to restrict the distribution of a New York Post article about US President Joe Biden's son, Hunter. The billionaire, who has about 87 million Twitter followers, called the company's decision to lock the Post's account on the platform "incredibly inappropriate."

Music streaming giant Spotify reported a lower than expected growth in paying subscribers in the first quarter, citing its exit from Russia.

India is tapping a new energy source that promises to help clean up its smog-choked cities, and is already providing a vital revenue stream for poor Indian farmers: truckloads of cow manure.

"DJI is internally reassessing compliance requirements in various jurisdictions," the privately held company said in a statement late on Tuesday. "Pending the current review, DJI will temporarily suspend all business activities in Russia and Ukraine."

The company's announcement on Monday that it had reached a deal for Tesla boss Elon Musk to buy it outright raises the question of whether this will lead to a brighter financial future for Twitter?

A Russian court hit Facebook and Instagram parent company Meta and video platform TikTok with fines for refusing to take down LBGT content. 

Groups representing journalists around the world expressed concern that Elon Musk's move to buy Twitter would damage media freedoms on the online platform.

Musk will join Twitter staff for a question-and-answer session at a later date, the company told employees.

The Netherlands launched on April 20 a new online reporting tool to protect sex workers from dangerous clients, a move supported by the Justice Ministry to improve safety in the industry.

Over 10,000 sellers worldwide go on strike following Etsy’s increase in fee charges, signaling user defiance over the creative e-commerce website's shifting focus.

It will further study the Higgs boson, the existence of which it proved in 2012, and put the Standard Model of particle physics to the test after recent anomalies sparked theories about a mysterious fifth force of nature.

The Digital Services Act (DSA) -- the second part of a massive project to regulate tech companies -- aims to ensure tougher consequences for platforms and websites that host a long list of banned content, from hate speech to disinformation and child sexual abuse images.