A 14%-illuminated waxing crescent moon will hang low in the southwest tonight, soon after sunset, still in Capricorn, with ...

One of the primary goals of the James Webb Space Telescope (JWST) is to detect atmospheres around exoplanets, to try to suss ...

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions about how the universe got its start, and how it changed to ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Imagine predicting an entire planet's existence with nothing but math, and then finding it right where the numbers ...

A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system ...

The James Webb Space Telescope detected an atmosphere rich with carbon and helium, which is unexpected on this hot planet ...

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December is full of opportunities to connect, gather and share in magical, effervescent moments with your nearest and dearest ...

For decades, deep space exploration has depended on a handful of obscure isotopes quietly heating small nuclear batteries on ...