New Horizons data shows that Pluto may once have had a warm enough climate for liquid nitrogen to form on…
By studying the star Kappa Ceti, researchers have determined that the young Sun in our solar system was a much…
The sublimation of methane ice into methane gas is leaving a bite-mark feature on the surface of Pluto.
Today Cassini will observe the light of the central star in Orion's belt as it passes through Enceladus' plumes.
Hooray for the Mars Reconnaissance Orbiter! Ten years of ground-breaking science (and eye candy.)
Ever since the MESSENGER spacecraft entered orbit around Mercury in 2011, and indeed even since Mariner 10's flyby in 1974, peculiar…
Ancient volcanic activity on a massive scale helped make Mars what it is today.
Space is mostly vast and empty. So whenever we notice something like ripples on a lake of methane, on the…
ESA's Philae lander, the first spacecraft to successfully soft-land on the surface of a comet and former piggyback partner to Rosetta,…
These beautiful, retro-style posters from NASA recall the glory days of space tourism. That haven't happened yet.