Explore Earth's cutting-edge defenses against asteroid impacts in this comprehensive overview. Learn how NASA and ESA are ...

NASA's OSIRIS-REx mission is scheduled to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

A powerful new telescope spots an unusually large asteroid spinning faster than thought possible, challenging long held ideas ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

The findings are a big clue as to why the far and near hemispheres of the moon look so different.

RPI Professor Karyn Rogers, director of the Rensselaer Astrobiology Research and Education Center, and graduate student Meri ...

Prepare to spend a lot more time on Mars.

Primordial black holes could rewrite our understanding of dark matter and the early universe. A record-breaking detection at ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST. Also this morning, the Moon passes 4° north of Saturn at 8 A.M. EST and ...

Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.

The ISS will deorbit by 2030, marking the end of an era. SpaceX's enhanced Dragon spacecraft will safely control its descent, ...

A team led by University of Washington astronomers has discovered the fastest-ever spinning asteroid with a diameter over half a kilometer. The asteroid — found while analyzing data from the NSF–DOE ...