The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger remains low, but experts are estimating the damage that could be done.

We all know that asteroids are out there, that some of them come dangerously close to Earth, and that they've struck Earth before with catastrophic consequences. The recent discovery of asteroid 2024 ...

Dr. O'Donoghue, with St. Lawrence University and the Adirondack Sky Center, joins NCPR's Northern Light every month to guide us through the night sky.

When atoms collide, their exact structure—for example, the number of electrons they have or even the quantum spin of their ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...