Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.

Choose from Dark Cloudy Background stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Plans and pricing ...

The astronomers who operate powerful Vera C. Rubin observatory released debut images June 23, 2025, showcasing just exactly what the instrument can do ...

Southern astronomers get to see the Milky Way’s core overhead and enjoy many star clusters and nebulae that are hidden for us ...

The Vera Rubin Observatory is expected to discover 20 billion new galaxies over the next decade. This image shows another ...

The Hubble constant, a set number that connects a galaxy’s speed to its distance from Earth and tells us how fast the ...

Astronomers have pulled off an unprecedented feat: detecting ultra-faint light from the Big Bang using ground-based ...

For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars ...

Wedding photographer Chesnea Clemmons captured an 'epic' photo of a tornado looming behind a bride and groom. 'It's just once ...

For the first time, astronomers have used a ground-based telescope to observe polarized microwave light from the universe's ...

In her new book, "Murderland," Caroline Fraser argues that the rise of these criminals has deep roots in the release of ...

The Club World Cup is upon us, and all 32 teams are bringing new kits to the tournament. Which ones earned the highest marks?