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

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 ...

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

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

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

Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star ...

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

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

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

I have an absolute passion for the winter constellations that are now putting on their wonderful winter show in the ...

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