Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

The powerful flare from sunspot region AR4341 peaked at 1:09 p.m. EST (1809 GMT), according to NOAA's Space Weather ...

Aliens may have lived in our solar system, according to new research. NASA scientists have unveiled evidence that the dwarf ...

Olympus Mons is a giant volcano on Mars. It is the tallest mountain in space. It is almost three times higher than Mount ...

Watch the final livestream of interstellar comet 3I/ATLAS on Jan. 22. Discover viewing details and why scientists debunked ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

When scientists sent bacteria-infecting viruses to the International Space Station, the microbes did not behave the same way ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

The James Webb telescope's search for habitable exoplanets is getting a big boost from its new star-watching companion, ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...