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.

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

Scientists have used the Gaia Space Telescope to create a 3D map of star kindergartens within the Milky Way, and you can fly through it.

Hubble’s latest look at Messier 96 reveals a warped spiral galaxy glowing with rings of stellar birth. The new details shed light on how stars emerge and influence their surroundings.

Take an inside look at NGC 7456, a spiral galaxy that showcases energetic light, dark dust lanes, and the beauty of newborn ...

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...

Telescopes on the National Mall tonight will give people a chance to see the stars and experience the largest astronomy outreach event in the United States.

Sirine was joined by Dan Lambeth AKA Spaceman Dan, National Weekend Evening's expert on the final frontier! A view of Saturn ...

This cosmic drama offers a unique glimpse into the future fate of our own Solar system and highlights the power of Hubble’s ultraviolet vision to probe stellar remains that would otherwise go ...

The moon is near new phase this week, and clearer skies and cooler overnight temperatures means that this is also an optimum ...

Footage from NASA/ESA Hubble Space Telescope that celebrates 35 years in space. Images of Mars, planetary nebula NGC 2899, ...

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