Mercury is the first planet after Earth with tectonic activity
Scientists have shown that the tiny planet is more alive than it seems on the surface.
Juno probe makes the closest-ever encounter with Jupiter
You can expect Juno's photos of the close-up within days.
Close-by exoplanet may have an oxygen-rich atmosphere
Just don't expect to live there.
Mars' veins were created by vanishing ancient lakes
Another sign that Mars once had a lot of water.
Hawaiian telescope spots a new dwarf planet beyond Neptune
Pluto has another friend.
Curiosity rover may sample Mars water
NASA hopes to shed light on one of the Red Planet's more elusive substances.
Venus' electric wind stripped its atmosphere of water
As if the planet wasn't already hostile to humans.
Scientists find the largest known planet to orbit two stars
Kepler-1647b is as big as Jupiter, but it's warmed by two suns.
Watch Mars make its closest approach to Earth in 10 years
Tune in tonight if you want a rare good look at the Red Planet.