The striking blue stars of the Leo P dwarf galaxy appear dashed across the lower right corner of this image from NASA's James ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

A handful of planets in the solar system are expected to line up in the night sky for a few days in January 2025. Here's when ...

New ground- and space-based infrared observations are giving astronomers a better handle on the true populations of red ...

Explore the breathtaking beauty of the cosmos with these seven rare images of star clusters, captured by NASA's Hubble Space ...

Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could ...

If you’ve been a faithful reader of my Skywatch column, thank you! You also know how much I love the winter constellations ...

A newly released Hubble pic shows the galaxy LEDA 22057, where the supernova explosion occurred. The spiral galaxy's swirling ...

This NASA/ESA Hubble Space Telescope image peers into the dusty recesses of the nearest massive star-forming region to Earth, ...

Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.

Take the owners of US power producer Calpine. They just agreed to sell to Constellation Energy for $16.4bn plus net debt, with the equity part made up of $4.5bn in cash and 50mn of the buyer’s ...