Solar System

Evidence for landslides down steep crater walls on Pluto have been found in imagery from NASA's New Horizons mission.

Glacial ice carves its way downhill.

What could we be looking at?

"We are trying to protect science and our investment in space."

"Allowing a million orbiting data centers with no environmental review isn’t just irresponsible — it’s reckless."

Can you hear the waves?

A simulation of future astronaut moon bases suggests that mission design, and not just psychology, needs to be considered for success.

When the sun swells into a red giant about 5 billion years from now, Earth may escape being swallowed by the dying star, a new study suggests.

NASA's Parker Solar Probe has found charged grains of dust being carried on magnetic plasma waves in the Sun's outer atmosphere, providing a new clue to the mystery of the Sun's corona is so hot.