Plus: A solar eclipse and an occultation of the Pleiades as our satellite skims through several constellations in the sky ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

During the Cold War, the U.S. and USSR raced to be first to send robotic and human explorers to the Moon, traversing lunar terrain and returning samples to Earth. These exploits and their ...

Isar Aerospace plans to send off its two-stage-to-orbit Spectrum rocket as the first commercial orbital launch vehicle from ...

These particles are so ghostly that trillions of them pass through Earth each day without notice. So, how do we detect them?

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

The Pleiades, Ptolemy's Cluster, the Large Magellanic Cloud — here's how to center the sky's brightest deep-sky wonders in ...

The researcher was expelled for phone messages expressing “a private opinion” about Trump’s research policies, alarmed French ...

Fast-moving stars in the Milky Way received a powerful kick from the Large Magellanic Cloud — and a central black hole might ...

Deimos is the smaller and less photographed of Mars’ moons. This egg-shaped object, only measuring about 7.7 miles in ...

The FAA has released a draft environmental assessment evaluating the impact of increasing launches from 50 to 120 per year.

SpaceX’s Dragon Freedom capsule safely splashed down in the Gulf of Mexico on Tuesday evening, bringing astronauts Barry ...