Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something very strange and very hot.

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...

To boost detection of potentially dangerous meteors, the Space Dynamics Laboratory at Utah State University is now sharing its open-source bolide detection software, dubbed ...

NASA's 2025 astronaut class doesn't seem to include any Black recruits, a first in 40 years at the space agency. Officials would not discuss it.

A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor.

As a professor in Caltech’s astronomy department for a decade, Mansi Kasliwal first came to the observatory as a graduate ...

Scientists found new evidence to strengthen the case that Enceladus, small moon of Saturn about 310 miles wide, may have ...

Biggest supermoon of 2025 will shine bright soon. When are the best dark nights to watch fall meteor showers? What will the ...

Two meteor showers and a luminous supermoon will light up the California night sky in October. The harvest moon will be the ...

The Draconids and the Orionids are the two major meteor showers happening in October, though one may offer a more spectacular ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.