Astronomers suspect the heart of the Milky Way may be hiding a big secret: a rapidly spinning, highly magnetic, neutron ...

President Donald Trump says he’s directing the Pentagon and other government agencies to identify and release files related ...

SpaceX has pursued its founder’s dream of reaching Mars for decades, but now that Elon Musk has shifted the company’s focus to the Moon, another aerospace firm appears prepared to take the lead in the ...

Will this finally be the time we learn what alien skeletons are in the U.S. government's closet? Don't count on it.

President Donald Trump on Thursday said he would direct the Pentagon and other government agencies to release government records related to extraterrestrial life and UFOs.

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

6 billion years old and home to more than 100 billion stars. This reality suggests there is likely a mind-boggling number of ...

China has unveiled plans for a futuristic “Star Wars”-style warship that it claims could eventually deploy unmanned fighter jets and launch hypersonic missiles from space. State media blasted out an ...

Tech firms are floating the idea of building data centers in space and tapping into the sun's energy to meet out-of-this-world power demands in a fierce artificial intelligence race. Elon Musk's ...

Elon Musk’s rocket-maker SpaceX and artificial-intelligence startup xAI are planning to merge into one company, people familiar with the matter said, further consolidating the billionaire’s business ...

CoreWeave's AI cloud has attracted a $56 billion backlog. The company is borrowing and spending heavily to catch up with demand, which adds some risks to the stock. Its relatively cheap price-to-sales ...

Space is an increasingly crowded place thanks to the constant influx of new satellites, and it’s only to get more cramped as the cost to reach orbit falls. Those dynamics have brought attention to ...