Mercury is probably a tectonically active planet.
This is dark dust within one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud.
Our universe has 10-20 times more galaxies than we previously thought!
New craters are forming on the surface of the moon more frequently than scientists had predicted.
The world's deepest sinkhole extends 987 feet below the surface.
As Voyager 2 crossed over into deep space, it began outputting a strange language that scientists could not read.
The rings of Saturn from above the planet's nightside.
A police dash camera captured a meteor lighting up the night sky in Maine
Jupiter’s magnetic field is 10,000 times stronger than earth's!
Eating nuts on a regular basis is linked to reduced inflammation, which can prevent heart disease.
Russian space enthusiasts made a giant portrait of cosmonaut Yuri Gagarin in a snowy field.
This is the first picture of the moon taken by a U.S. spacecraft. Thanks, Ranger 7 lunar lander!
"Sir, have you tried turning the space station off and on?" - Mission Control
A gorgeous photo of the Orbital ATK Antares rocket liftoff.
Exoplanet Kepler-452b is known as "Earth 2.0." It's 60% wider and 5X more massive than Earth.