Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, ...

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

Researchers using NASA's James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...

Bennu samples reveal biological sugars, a strange, gum-like material, and ancient stardust that shed light on the early solar ...

A strange, gleaming rock on Mars has jolted planetary scientists out of their routines, not because it is large or dangerous, but because it appears to be wildly out of place. The object, sitting ...

One of the difficulties of geoengineering is that in theory a single entity, like a startup company, could make decisions ...

Giant, dense structures have been discovered beneath the surface of Mars and they are leaving experts both mystified and excited. The first of these, confirmed by researchers in a fascinating paper, ...

Zanskar uses AI to identify hidden geothermal systems—and claims it has found one that could fuel a power plant, the first ...

A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The ...

A new study reveals how shifting ice shells on icy moons can cause dramatic pressure changes, sometimes enough to boil their hidden oceans. The outer planets of our Solar System are accompanied by ...

Despite their liquid water and potential for habitability, these moons are very different environments from Earth. On Earth, ...

The outer planets of the Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn’s moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky ...