Jumping back in time, Thuban was positioned as a North Star some 4,700 years ago, as early civilizations thrived in ...

A newly discovered house-size asteroid is set to make a close, yet harmless approach to Earth today (May 21), passing within one-third of the Earth-moon distance.

A house-sized asteroid flew past Earth while you were asleep. The space rock designated 2025 KF made its closest approach at ...

WASHINGTON — Sometime Friday night or Saturday morning, a Soviet-era spacecraft originally meant to land on Venus will ...

In photos The details in this photograph include the airglow of the atmosphere dividing Earth from space — yellow-green at an ...

A little over 240 years ago, birds were the only things that could fly above the ground untethered without eventually falling ...

We've even been asked if you could run solar cells during the long lunar night on reflected earthlight, so we decided to ...

A little over 240 years ago, birds were the only things that could fly above the ground untethered without eventually falling ...