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

Last time a stray planetoid the size of Mars smashed into Earth, it scattered our planet's young crust into space, where gravity glued those particles into what we now call the Moon.

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.

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

Scientists find that deep molten rock can power long-lasting magnetic fields, helping large rocky planets hold onto their ...

NASA has reported a X4.2 solar flare, so what does it mean? We break down what a solar flare is and how it connects to the aurora Australis.

The northern lights could be visible from a large swath of the northern United States tonight, according to the National Oceanic and Atmospheric Administration, as a strong geomagnetic storm raises ...

The success of Star Trek: The Original Series, arguably, pigeonholed Gene Roddenberry with his works afterward. His wasn't galactic battles, robots, and spaceship dogfights, but rather a hopeful ...

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?