More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

After a month-long journey, Firefly’s Blue Ghost lunar lander has successfully entered orbit around the Moon. After nearly a ...

A SpaceX Falcon 9 booster performed a record-breaking flight on Saturday, highlighting the company's ability to reuse its ...

Earth's Moon: NASA's Galileo spacecraft took this image of Earth's Moon on Dec. 7, 1992, on its way to explore the Jupiter system in 1995-97. The Moon is Earth's only natural satellite.

SpaceX early Saturday launched another 21 Starlink satellites aboard a record-setting Falcon 9 first-stage booster from ...

A Falcon 9 rocket launched 21 of the company's Starlink broadband satellites to orbit early this morning (Feb. 15), rising ...

As more satellites, telescopes, and other spacecraft are built to be repairable, it will take reliable trajectories for ...

Anyone up late for Valentine’s Day night could catch a rocket going off. SpaceX crews are preparing to launch a Falcon 9 ...

For most of history, the Moon was regarded as a mysterious and powerful object. Then scientists made it into a destination ...

William Matthaeus, the Martin A. Pomerantz Chair of Physics and Astronomy at the University of Delaware, has won UD’s highest ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

VISITORS to the Moon could race across the planet’s surface in an “extreme” car dropped there by Elon Musk. That’s the vision of a Nasa-backed company that is working on a ...