Galaxies, including the one we call home, are within halos of dark matter. But what exactly dark matter is remains something ...

The farther we reach into space, the greater our capacity to understand the unknown,” NASA Administrator Jared Isaacman said.

For decades, the four known forces of nature, gravity, electromagnetism, and the strong and weak nuclear forces, have ...

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 ...

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

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

A Harvard astrophysicist and NASA are locked in a public disagreement over a small, shiny object photographed on the Martian surface. The dispute hinges on whether the object is human-made debris or ...

HOUSTON — NASA’s Science Mission Directorate is canceling the over-budget Gravity and Extreme Magnetism Small Explorer (GEMS) astrophysics mission, following the denial this week of an appeal from the ...

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.