NASA’s shocking claim hints at a hidden planet, possibly 10 times Earth's size, or a primordial black hole. Gravitational ...

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

New research underscores the physics of potential oceans on moons like Europa and Enceladus where aliens could hide ...

Each evening, enjoy a sweeping view of four planets at once. Also look for Mars occulted by the Moon and meteors!

Look up into the sky above Washington state this month on a clear night, and you might see a rare celestial occurrence in the sky. During January 2025, a large planetary conjunction involving four ...

Two asteroids, 2024 YF7 and 2024 YR9, are set to pass near Earth in early January. NASA confirms no immediate threat but ...

Auroras are beautiful phenomena on Earth, but they aren't specific to this planet. In fact, they appear on many other planets ...

In January, sky-watchers will have the opportunity to enjoy a single, sweeping view of four bright planets at once after dusk. All month after dark, you'll find Venus and ...

Mars has two moons, Phobos and Deimos. Scientists still debate whether these came from asteroids that passed close into Mars' ...

The discovery comes just days before what is anticipated to be a bumper year for exoplanet discovery, with the James Webb Space Telescope scheduled to release more data.

NASA's Parker Solar Probe has been breaking records since the day it launched as the fastest space mission in history. Now, ...

When you look up in the night sky, our moon is unmissable.Just like Earth, it's round and has a solid, rocky surface. But is ...