More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

However, you might be surprised to know that Earth is not alone in having volcanoes – in fact, it’s beaten numerically by the ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Young might be having a little imposter moment as he is followed off the first tee by Tiger Woods in Match 9. The incredible New York bomber, Young will have his hands (and mind) full going up against ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Here’s everything you need to know about Tuesday night’s TGL match, with the playoff picture starting to take shape.

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

NASA data released Tuesday said there is now a 3.1 percent chance a "city-destroying" asteroid could smash into Earth in 2023 ...

Astrophysicists have been grappling with the question of how water arrived on our young planet for decades. One of the ...

An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released Tuesday – making it the most threatening space rock ever recorded by modern ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the ...