The curious minds at What If predict what would happen if Earth collided with Mars, revealing catastrophic destruction, orbital instability, and planetary debris.

It's been 30 days since Uranus first appeared in the sky. At first, it looked like our Moon had found itself a stellar ...

This hypothesis has the advantage of explaining why the rings have a lot of ice and little rock, in contrast to models where a moon strayed inside Saturn’s Roche limit and was pulled apart.

Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...

Ad Astra, the visually stunning sci-fi drama starring Brad Pitt, will be available to stream for free on Tubi next month.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Scientists suggest Titan formed from a giant moon collision that also may explain Saturn’s rings and strange moon orbits.

On Feb. 12, 2009, a Continental airlines turboprop commuter plane crashed into a house near Buffalo, N.Y., killing 50 people, including one person in the house.

Astronomers have finally figured out how the most common types of planets in our galaxy are formed—by watching a set of baby planets grow up in real time. These worlds, found in a young star system ...

The comet is now racing away from the sun following a close flyby on Jan. 20.

Could we prevent in-orbit crashes in the future by using advanced computer models?

Scientists say that multiple Earth system components appear closer to destabilization than previously believed, putting the planet in increased danger of following a "hothouse" path driven by feedback ...