Astronomers reveal new insight into an iconic supernova remnant's evolution, structure and pulsar-driven growth over 25 years ...

Since its launch in April 1990, the Hubble Space Telescope has been an invaluable tool for astronomers in unraveling the ...

Viewing Saturn in complementary wavelengths, the two space telescopes reveal more about what makes up the layers of Saturn's ...

A team of cosmologists in China has introduced a mathematical framework that investigates two of the deepest mysteries in cosmology at the same time. Publishing their research in The Astrophysical ...

A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s ...

Trouble with one of the Hubble Space Telescope's three remaining gyroscopes, critical for aiming and locking onto targets, has prompted mission managers to switch to a backup control mode that will ...

A new analysis of archival Hubble Space Telescope photos reveals that a peculiar comet slowed its spin before fully reversing ...

A major survey verifies 3,500 gravitational lenses, offering new tools to map dark matter and track cosmic expansion.

Astronomer using Hubble discovers "young stars that are spiraling into the center of a massive cluster of stars in the Small ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home. Freelance writer Amanda C. Kooser covers gadgets and tech news with a ...

The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of Galileo—Earth's atmosphere. Shifting air pockets in the atmosphere block and distort ...

A new synthesis of astronomical measurements confirms a persistent mismatch that could point to physics beyond current models ...