Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

NASA is quietly ending financial support for independent planetary science advisory groups, according to a letter posted to ...

NASA astronaut Suni Williams has retired from the agency after 27 years of service, including one nine-month stint when she ...

Astronomers have captured the most dramatic view yet of a planet losing its atmosphere, watching the ultra-hot gas giant WASP ...

ESA’s New Norcia 3 antenna in Australia will track deep-space missions, send commands across millions of kilometres, and ...

The members of Crew-11 — two American, one Russian and one Japanese — splashed down after one became ill, prompting an early ...

Because the moon has less gravity than Earth does, time passes slightly differently there. This effect was first predicted by ...

The Pococo Galaxy comes highly recommended by review experts, and it delivers bright, high-resolution projections that rival ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in the Pacific Ocean after a medical issue ...

Veteran NASA astronaut Suni Williams announced her retirement Tuesday. Her extended mission to orbit due to the troubled Boeing Starliner test flight was her final foray.