An international team of astronomers reports the detection of the first pulsar by the Globular Clusters GMRT Pulsar Search ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Gaia-4b, a giant exoplanet orbiting a small star, is the first planet confirmed using Gaia’s astrometric technique.

The “NOM4D” project will undoubtedly be a boon for the nascent private space sector, but it could also have real strategic ...

DARPA has announced a major shift in the final phase of its NOM4D program, transitioning from laboratory testing to small-scale orbital demonstrations. This move aims to ...

Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...

The likelihood of 2024 YR4 colliding with the our planet in 2032 have ticked up to over 3 percent. Is it time to start ...

A SpaceX Falcon 9 landed on a new drone ship in the Bahamas. The mission also successfully deployed more version 2 mini ...

As dark moonless skies make new observations of asteroid 2024 YR4 possible, researchers are refining its orbit — and its ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

The Space Coast set a new record in 2024 with 93 launches from all providers, building off the 72 orbital missions flown in 2023. With SpaceX’s continued pace, more launches from United Launch ...

We typically think of the Oort cloud as scattered ice balls floating far from the sun, yet still tied to it gravitationally.