We’d certainly know about it if an asteroid hit Mars or the moon, but just how much Earth would be affected depends on a number of factors ...

MIT scientists have discovered ancient rock samples from Greenland, Canada, and Hawaii exhibiting a rare potassium-40 deficit ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

The rings of Saturn are among the wonders of our solar system, with a diameter of roughly 175,000 miles (280,000 kilometers) ...

The James Webb Telescope measured a potential moon-forming disk encircling an exoplanet, NASA recently announced, inviting researchers to observe and study moon formation as it happens, while ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

For millions of years, a tiny icy fragment wandered through space—like a sealed bottle drifting across a cosmic ocean. This ...

We thought we understood planets, but the planetary disk chemistry of far-away XUE 10 is completely changing our conception ...

Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

Think of it this way: only around 10,000 decently sized meteorites slam into Earth per year. Meanwhile, the planet is ...