NASA on Sunday (Sept. 22) announced that the space agency will roll its massive Artemis 2 moon rocket, the second-ever Space ...

NASA has given its Perseverance Mars rover a powerful new ability to determine its exact location on the Red Planet without ...

Why do some places wait 1,000 years to see a total solar eclipse while others get two in a decade? The surprising orbital ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Scientists think it's possible for a spacecraft to gain enough velocity to catch up with iconic interstellar comet 3I/ATLAS, which is currently speeding away from us, by firing its booster rockets ...

Scientists suspect that a rapidly spinning, highly magnetic neutron star, or "pulsar," dwells at the heart of the Milky Way.

Will this finally be the time we learn what alien skeletons are in the U.S. government's closet? Don't count on it.

The Lunar Gateway is planned space station that will orbit the moon. It is part of the NASA‑led Artemis program. Artemis aims ...

The reality is a very different story. Exposure to the unmediated Martian environment isn't just hostile to human beings; ...

Using the James Webb Space Telescope and the Atacama Large Millimeter/sub-millimeter Array , astronomers have investigated 70 ...

Firefly Aerospace is getting ready to launch its Alpha rocket after a 10-month hiatus. The Texas-based company is targeting ...

The second of two SpaceX Falcon 9 rockets launched on Saturday (Feb. 21) completed a record-breaking 33rd re-flight. SpaceX launched two more batches of Starlink satellites on Saturday (Feb. 21), and ...