Solar system

A fresh analysis of old data has found rich organic chemistry within the hidden ocean of Saturn’s moon Enceladus

Many asteroids are related, but their family trees can be hard to trace

Lunar minerals can rust when bombarded with high-energy oxygen particles, experiments show

The 60-meter asteroid 2024 YR4 has a 4 percent chance of hitting the moon. Could such a lunar collision create a dangerous new meteor shower?

With no fuel or engines, tiny explorers will surf sun-warmed air alone to explore high in the skies of Earth and Mars

Beneath the surfaces of distant planets, microbes might subsist on harsh radiation rather than starlight, a new study suggests

Neptune’s discovery was a race that ended not long after this magazine came to be

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years

It’s certainly possible to consume water sourced from the icy rings of Saturn, but doing so safely may require extra steps

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever

Observations of a baby star may show the earliest stages of planet formation that astronomers have ever seen

A new global overview of Mars suggests dust, rather than water, is the source of mysterious streaks there