Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.

NASA is publicly insisting that the interstellar object 3I/ATLAS poses no danger to Earth, even as the agency and its ...

Hubble Space Telescope imagery of Saturn, captured from 2018-2024, has been time-lapsed. Footage courtesy: NASA, ESA, Amy ...

By Tom Hawking Published Nov 30, 2025 9:00 AM EST Tayfun Coskun/Anadolu via Get the Popular Science daily newsletter💡 ...

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

3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

NASA is heading into the holidays with long-awaited good news about its next flagship observatory, the Nancy Grace Roman ...

American space agency NASA readies the Nancy Grace Roman Space Telescope for integration, launch could come as soon as next ...

Scientists may have finally seen dark matter, uncovering a gamma-ray signal that could reveal the universe’s most mysterious ...

The Gemini South telescope in Chile captured this stunning view of NGC 6302, highlighting the nebula’s intricate structure ...

At least some evidence suggests that NGC 2775 developed its odd shape after merging with other galaxies eons ago. While not ...

As twilight deepens the week of November 24 to 28, the waxing crescent moon appears in the south to southwest, above the setting Teapot asterism.