Solar System

While interstellar comet 3I/ATLAS will not come near our planet, future ones may. A new campaign seeks to improve orbit predictions.

The chemical signatures we're observing may reflect both the comet's ancient origins and its long journey through interstellar space.

With the Argonaut lunar lander and the LUNA simulation facility in Germany, the European Space Agency is building the technology and training to have life on the moon.

New research shows how Jupiter carved out rings and gaps that changed how and when planets and meteorites formed.

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Satellite photos taken by Planet depict the demolition of the East Wing of the White House to make room for the planned Trump Ballroom.

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest known asteroid in the solar system.

Chiron is forming a ring system, and scientists seem to have caught the action.

A new image from NOAA's GOES-19 satellite has captured a rate celestial cameo: Earth itself appearing in the view of the spacecraft's solar coronagraph.