NASA has announced 10 new astronaut candidates, including Katherine Spies, a former Marine Corps pilot and chemical engineer and Southern California native, who will undergo two years of intense ...

This NASA/ESA Hubble Space Telescope image reveals new details in Messier 82 (M82), home to brilliant stars whose light is shaded by sculptural clouds made of clumps and streaks of dust and gas. This ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Astronomers are trying to determine what caused a series of gamma-ray bursts, the most powerful explosions in the universe, to occur in a single day.

The world is entering its second age of exploration, this one in outer space. But there's one big question: Will America get left behind? In the 21st century, America has seen enormous technological ...

NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas ...

Milky Way season in the US is coming to an end, but the iconic band of stars, our galaxy's center, should still be visible ...

"Gaia provides the first accurate view of what our section of the Milky Way would look like from above," Lewis McCallum, an ...

When most people imagine the vastness of space, they picture a dark void with plenty of observable objects. Planets, stars, and other galaxies often come to mind when picturing what space actually ...

Astronomers have used an X-ray spacecraft called XRISM to observe powerful winds blowing from a neutron star — the findings ...

Astronomers uncover a cosmic mystery: an extra image in an Einstein Cross points to a massive dark matter halo.