Stellar black holes form when massive stars collapse after death. They usually weigh between three and fifty times the Sun.

Building a city on the Moon will take more than rockets. NASA’s plan includes harnessing lunar resources, developing radiation-proof habitats, and creating sustainable life-support systems. From ...

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...

A lookout point in the foothills of Mount Sharp, a 3-mile-high mountain, allowed the rover to see all the way across Gale Crater 's floor. Near the center of the image is Peace Vallis, an ancient ...

NASA’s Artemis program has hit a critical snag - over 100 unexpected cracks have been discovered in the Orion capsule’s heat shield following the uncrewed Artemis I mission. The damage, far worse than ...

A massive asteroid, 2025 FA22, will safely pass Earth on September 18, 2025, at a distance of 4.6 million miles. Initially ...

The fossil belongs to a juvenile of a new species, Zavacephale rinpoche, which lived about 108 million years ago.

Saturn’s moon Enceladus has long dazzled scientists with its icy plumes that spew water and mysterious organic molecules into space, fueling hopes of a habitable ocean beneath. But new experiments ...

TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in ...

NASA spotted a new moon almost at the border of our solar system. Back in 1986, a theory came up that this cosmic body could ...