Explore the vast distances between planets and objects in our solar system, and why most of the space around us is a wide ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

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

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact configuration and later underwent a violent reshuffling that scattered them to ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Using observations from both ground-based telescopes and space instruments, they were able to measure the planet's size and ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ...

Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.

Interstellar comet 3I/ATLAS, discovered by NASA-funded telescopes, will pass Earth on December 19 at a safe distance of 270 million km.

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.