If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a plane in the sky while ground-based telescopes meanwhile track how light ...

"When this happens, we can see multiple planets in the night sky." And that's about it ... now a 'rogue planet', doomed to forever wander the empty void between the stars." But today, there ...

By Katrina Miller Astute skywatchers may have already seen the striking line of planets across the night sky in January. This week Mercury joins the queue. Now every other world in our solar ...

Find out what's up in your night sky during March 2025 and how to see it in this Space.com stargazing guide. Looking for a telescope for the next night sky event? We recommend the Celestron ...

Chinese leader Xi Jinping has invested billions into quickly building this metropolis, but there's barely anyone there.

The Solong has empty containers previously used to transport a "hazardous chemical" and is now drifting away, transport minister Mike Kane told the Commons. Meanwhile, a major multinational operation ...