The brilliant flash, which was accompanied by a sonic boom that many mistook for an earthquake, resulted in hundreds of calls ...

Join Mark for this week's Sky Watch as he takes you on a fascinating lunar journey from the invisible new moon (June 27-28) perfect for deep-sky observing of the Hercules Cluster (M13) and Ring Nebula ...

Jake Paul, ahead of his next boxing match this Saturday, got into a verbal sparring match with host Piers Morgan on Thursday ...

Friday, July 4 Mercury reaches its greatest eastern elongation from the Sun, standing 26° from our star at 1 A.M. EDT. We’ll ...

Scientists are keeping a close eye on the sun. We know that the sun goes through cycles of activity, and 2025 is expected to ...

Kosmos-482, a failed Soviet Venus probe, re-entered Earth’s atmosphere in May, but tracking its exact descent proved elusive.

The remains of more than 160 deceased people reached orbit yesterday on a spacecraft that hitched a ride on a SpaceX rocket.

In the 1960s, an unexpected gift from the Air Force led Herb Weiss ’40 to develop an antenna that could track a speeding ...

NASA’s car-sized Perseverance rover has been roaming the surface of Mars for four years, drilling into the alien soil to ...

Only one of the known Venus co-orbital asteroids follows a nearly circular orbit; the others move on more elongated paths ...

I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.