Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

NGC 6355 has been imaged using NASA's Hubble Space Telescope. The globular cluster of stars lies 50,000 light-years away.

Hubble captures a dazzling stellar nursery where newborn stars light up and carve their way through glowing clouds in a ...

The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, ...

Planned launch of 500,000 satellites could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

NASA Administrator Jared Isaacman announced that, starting with Crew-12 and Artemis II, astronauts will be able to take modern smartphones to space.

What: New analyses using early observations from the European Space Agency’s Euclid mission examine how galaxy mergers trigger active galactic nuclei (AGN), luminou ...

Learn how expanding satellite megaconstellations in low Earth orbit could introduce widespread light pollution into space ...

What looks like a galactic dance is really a cosmic optical illusion—two galaxies, worlds apart, perfectly aligned by chance.

Scientists discovered that galaxy clusters are about twice as heavy as previously assumed. The additional mass comes mainly ...

“We have long treated the Planck scale like a blurry limit,” said Kulkarni. “But if you treat space as an information storage medium, geometry dictates a specific packing efficiency. The universe has ...