A comet swept through the solar system carrying a strange chemical recipe — one that has astronomers taking a closer look at what kinds of worlds might form around distant stars ...

This week, authorities in Albuquerque continue searching for clues in the mysterious disappearance of retired U.S. Air Force Major General William Neil McCasland.

"This Week in Space" hosts Rod Pyle and Tariq Malik discuss a weird rock that was spotted on the Red Planet by NASA's Perseverance rover.

Just before a SpaceX capsule docked with the International Space Station (ISS) so two astronauts who found themselves in space unexpectedly for nine months could prepare to return to Earth, an 'alien' ...

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research Program, or HAARP—believe another. A common misconception is that it can ...