Helium found in moon's atmosphere

Observations from NASA's Lunar Reconnaissance Orbiter (LRO) have revealed the presence of helium in the thin atmosphere surrounding the moon.

Astronomers discover 'impossible' star

A team of European astronomers have discovered a star that by rights shouldn't exist - it's simply not dense enough for current models to explain its formation.

Helium falls like rain on Jupiter

New research suggests that it's raining helium in the interior of Jupiter. UC Berkeley scientists reckon this is the best way to explain why there's so much less neon in the outer layers of the planet than predicted.