Learn about two black hole mergers in 2024 that experts revisited with new information from gravitational waves, confirming theories made by Albert Einstein.

Find out what's up in your night sky during November 2025 and how to see it in this Space.com stargazing guide.

Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

Washington, DC— Our galaxy’s most abundant type of planet could be rich in liquid water due to formative interactions between ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

There are endless questions about how this offseason will unfold, and so many of you had good ones to ponder. Let's answer ...

It's largely agreed that the moon was created around 4.5 billion years ago when a protoplanet collided with early molten ...

The Japanese Aerospace Exploration Agency ( JAXA) declared its Akatsuki spacecraft dead on Tuesday (Oct. 28), more than a ...

If the first four games of this Series have proven anything, it's that both superstars and rank-and-file players can play the hero role. In Game 5, it's a rematch of two-time Cy Young Award winner ...

Scientist Avi Loeb has accused NASA of withholding critical information about 3I/ATLAS — the Manhattan-sized interstellar ...

Scientists have discovered a rare six-planet system, HD 110067, where all planets orbit their star in perfect mathematical ...

Puzzling out the Order Initiate Scavenger Hunt answers in The Outer Worlds 2 is a little challenging. Just as you've made it inside the observatory and are about to confront Seer Wiley, you'll find ...