"Our results imply that in the early universe, supermassive black holes might have gained their mass before their host ...

The Dark Energy Camera (DECam) has captured an ominous and ghostly hand reaching from the Milky Way from a distant edge-on ...

CAPE CANAVERAL — Starliner will wait at least four more days for its first crewed launch.

Like past zero-g indicators, "Calypso," the doll, will begin to float as "Calypso," the capsule, reaches orbit, signaling to ...

"By demonstrating a first-of-its-kind model, we've shown that warp drives might not be relegated to science fiction." ...

The Solar Orbiter spacecraft captured outbursts, jets and rivers of plasma beneath the arch of a glowing coronal loop.

Astronomers expect 2024 JF to make its closest approach at 8:04 p.m. ET tonight (1204 GMT on Tuesday). It will be followed by ...

Follow along step by step with astrophotographer Miguel Claro in this behind-the-scenes look at how such a mesmerizing solar photograph was made.

The new moon of May 2024 will see the bright constellations of summer begin to rise just as those of winter sink below the horizon.

NGC 4951 has an active galactic nucleus (AGN), which means it's radiating extreme amounts of energy. And, if you guessed that it's the black hole creating that eruption of energy, ...

After detection, there's a small window of time within which follow-up, light-based astronomy observations can be made.

"There's no place on Earth cold enough," Mary Hagedorn, a senior research scientist at the Smithsonian's National Zoo and Conservation Biology Institute, told Space.com. That includes the coldest ...