Galaxies, including the one we call home, are within halos of dark matter. But what exactly dark matter is remains something of a mystery. A research team from Washington University is part of a NASA-led mission taking a step towards answering that question.

Danette Farnsworth knew when she saw the solid-fuel boosters separate from the Artemis II, everything was good. “I said, ‘We’re golden. The rest is up to another team,’” she said. Farnsworth isn’t your average armchair observer,

The twinkling stars in the sky are further than they appear. So much so that NASA's Voyager 1 is still on its way to reach the star system since its launch on September 5, 1977. It will probably take about 28,000 years to reach its destination. Meanwhile ...

Add Yahoo as a preferred source to see more of our stories on Google. ABC News’ Stephanie Ramos spoke with astrophysicist Hakeem Oluseyi and former NASA astronaut Susan Kilrain about the Artemis II's final push out of Earth’s orbit as they head to the moon

Caroline was joined by NASA astrophysicist and Natural State native Dr. Amber Straughn to discuss the historic Artemis II mission.

CAMBRIDGE, Mass. — NASA awarded a launch contract to SpaceX July 8 for the launch of a small astrophysics mission as the company offered a Falcon 9 at a lower price than a much smaller rocket. NASA said that it selected SpaceX to launch the Imaging X-Ray ...

Belen High School alum Danette Farnsworth helps guide NASA’s Artemis II mission from New Mexico skies to the dark side of the moon.