Solar System
Mysterious Pull On Cassini Probe May Help Find Planet Nine
Small perturbations in the orbit of the Cassini probe provide further evidence for the existence of Planet Nine.
Ancient Pluto May Have Had Lakes And Rivers Of Nitrogen
New Horizons data shows that Pluto may once have had a warm enough climate for liquid nitrogen to form on…
Sun-Like Star Shows Magnetic Field Was Key For Early Life On Earth
By studying the star Kappa Ceti, researchers have determined that the young Sun in our solar system was a much…
Eat Your Heart Out Pluto
The sublimation of methane ice into methane gas is leaving a bite-mark feature on the surface of Pluto.
Cassini Watches Star Through Enceladus’ Plume
Today Cassini will observe the light of the central star in Orion's belt as it passes through Enceladus' plumes.
MRO: Ten Years Of Breathtaking Work Above Mars
Hooray for the Mars Reconnaissance Orbiter! Ten years of ground-breaking science (and eye candy.)
Dark Stains on Mercury Reveal Its Ancient Crust
Ever since the MESSENGER spacecraft entered orbit around Mercury in 2011, and indeed even since Mariner 10's flyby in 1974, peculiar…
An Ancient Volcanic Cataclysm Spun Mars Off Its Poles
Ancient volcanic activity on a massive scale helped make Mars what it is today.
Surfing On Titan Would Be Best In Summer
Space is mostly vast and empty. So whenever we notice something like ripples on a lake of methane, on the…
Rosetta’s Philae Lander in Permanent Sleep
ESA's Philae lander, the first spacecraft to successfully soft-land on the surface of a comet and former piggyback partner to Rosetta,…