Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

Imagery of Saturn captured by the James Webb Space Telescope is superimposed over an image captured by Hubble. "Yellows ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...

The James Webb Space Telescope (JWST) has discovered phosphine in the atmosphere of a brown dwarf — the same chemical that ...

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

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

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

Humans are finally building the technology that could tell us where to look, when to look, and what signs to watch for. What might we find? Why does it matter?

An orb with twin suns, a star twice as old as our sun... see how new finds with surprising parallels in fiction are rewriting our understanding of the universe.