The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the ...

The new images taken by NASA’s Curiosity Mars rover raises fresh questions about how the Martian surface was changing ...

The new images by Curiosity show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, NASA said.

The images, taken from the slopes of a mountain inside Mars’ Gale Crater, show a network of low ridges etched in a striking ...

The images and data being collected are already raising new questions about how the Martian surface was changing billions of ...

The Conference Board said Tuesday that its consumer confidence index slid to 93 in June, down 5.4 points from 98.4 last month ...

NASA's Curiosity rover has snapped its first images of web-like "boxwork" features on the surface of Mars. The zig-zagging rocks could provide clues about the Red Planet's watery past and whether it ...

Nearly a decade’s worth of data went into the first direct observation of sputtering on Mars, which researchers believe ...

New images from NASA's Curiosity Mars rover show the first close-up views of a region scientists had previously observed only ...

New measurements of the universe’s expansion using James Webb Space Telescope appear to resolve the Hubble constant conflict ...

Is it a green aurora with pink stripes, or a white aurora with green stripes? That, apparently, became the question on the International Space Station, at least for Expedition 73 flight engineer and ...