Spring gets its official start Thursday in the Northern Hemisphere with the arrival of the vernal equinox. But what does that ...

A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies.

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.

Bedmap3 is the most fine-grain map to date of the landscape beneath Antarctica's ice. Scientists created it using more than ...