Massive Black Holes May Have Started as Little Red Dots

In the 50 years since the first black hole was spotted, astronomers have discovered millions of…

NASA Telescope Helps Scientists Find a New Type of X-ray Object

Even within our cosmic neighborhood, the unexpected still turns up. The latest surprise is a new…

Can Tech Companies Like Google Really Put Data Centers in Space?

On Oct. 1, Google is scheduled to launch a satellite that can run its artificial intelligence…

Google Is Sending an A.I. Data Center to Outer Space

At a lab in San Francisco last month, a team of technicians in protective suits and…

What a Massive New Crater Means for Future Moon Bases

We may think of the Moon as a silvery, silent realm. But in truth, it’s a…

Exoplanets Offer Clues to What Lies Beyond Our Solar System

As a kid in the 1990s, I chose Saturn as my favorite planet because of its…

U.S. Has Deployed Weapons in Space, Air Force Secretary Says

The United States has stationed weapons in Earth’s orbit, Air Force Secretary Troy E. Meink said…

Money Is Flowing Into Space Start-Ups. Some Investors See a SpaceX Effect.

Europe is desperate to catch up in the space race. Even before SpaceX’s gargantuan initial public…

Is There Alien Debris on the Moon? Some Scientists Plan to Find Out.

Imagine an alien civilization that runs on dazzling technologies far more advanced than our own. Picture…

Scientists Hunting Dark Matter Found Something Strange

Hundreds of physicists have spent years scrutinizing the data from a detector deep underground, listening for…