KAIST researchers tested optical frequency comb lasers as reference signals for radio astronomy, aiming to synchronize radio telescopes with light-based timing in VLBI observations.

There is only one way to experience lunar gravity while still on Earth, or rather a few thousand feet above its surface: on a parabolic flight. In this exclusive mini-documentary, Space.com reporter ...

Famed Queen guitarist and citizen astronomer Brian May collaborated with NASA's asteroid mission OSIRIS-REx, helping ...

Jupiter, king of our Solar System’s planets, continues to dominate the night sky in February.  Lying inside the zodiac constellation Gemini (twins), which sits well up in the eastern sky, it is the ...

Deep in the frozen heart of Antarctica, the South Pole Telescope has been watching one of the most extreme neighborhoods in ...

Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them ...

On Episode 195 of This Week In Space, Rod Pyle and Tariq Malik talk with Gerry Griffin, former Apollo Flight Director and Director of the Johnson Space Center, about NASA's spaceflight tragedies.

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From groundbreaking research aboard the International Space Station to dazzling new ...

The big astronomical event in February is a rare “planetary parade,” according to NASA. You’ll be able to see Mercury, Venus, ...

AnomalyMatch allows astronomers to process millions of Hubble images at record speed, revealing new galaxies and ...