The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

A massive collision between two asteroid-sized bodies around a nearby star offers a rare look at the violent process of ...

What looked like a mysterious exoplanet was actually the sparkling debris from a violent collision between massive space rocks.

Mysterious ‘little red dots’ seen by the James Webb Space Telescope can be explained by a new kind of black hole enshrouded ...

Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

An Australian fossil reveals the first lamniform shark, measuring 20 feet long and living 15 million years earlier than believed.

OMB Director Russell Vought said the National Science Foundation "will be breaking up" the National Center for Atmospheric ...

Fifteen people - including a 10-year-old girl and a British-born rabbi - were killed when two gunmen targeted Jewish people ...

In the first fractions of a second after the Big Bang, the universe ballooned outward at a speed that still defies ...

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

New research suggests that for about a billion years, Earth’s rotation stayed stable at 19-hour days due to a balance between ...