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 ...

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

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

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

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

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

If venusian clouds contain life, it will be very different than what we know. But terrestrial analogs might still give us ...

Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

Researchers worry an “extinction-level event” is coming for space science as the Trump administration looks to slash spending ...

M17, often called the Omega, the Swan, and the Checkmark Nebula, stars in a new image taken by the VISTA telescope in Chile.