I n April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien life in the glow of a distant planet. Other scientists were quick to ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

NASA has discovered the third known interstellar object to pass through our solar system, but the icy snowball object poses ...