The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Eco anxiety is very real, so we share this year's most uplifting stories to prove there’s hope for our climate. View on ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

Webb’s latest observations reveal a hellish world cloaked in an unexpected atmosphere: TOI-561 b, an ultra-hot rocky planet ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.