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

Today we shame cities that encircle themselves with freeways, but we also try to understand the logic of the ring road, orbital, or beltway (choose your terminology!). Come along on a tour of cities ...

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

Ahead of its dance with Saturn on Feb. 24, Mercury should be seen on Feb. 19 at magnitude -1.2 with binoculars 20 minutes ...

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

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

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 ...

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.

Astronomers used a 3D global computer model to compare the climates of exoplanets in different stellar and orbital configurations. They found that a planet orbiting a white dwarf star would offer a ...

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 ...

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