Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

Here's when and how to watch the next full moon and February's rare planetary parade across Pennsylvania skies, starting with shiny and bright Venus.

Humans are inching closer to living beyond Earth, but sustaining life on the moon or Mars requires a critical resource: water ...

PT5, a near-Earth object discovered last year, has captivated scientists with its potential lunar origins. Likely ejected ...

Mining ocean resources needed for electric cars and other devices is currently a hot issue of dispute. Final resolution of ...

The new moon of January will be at 7:36 a.m. Eastern Time on Jan. 29, according to the U.S. Naval Observatory, and two days ...

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

Space law academic states recent misidentification of asteroid—it was a Tesla Roadster heading to Mars!—reminds Earth ...

NASA’s plans to return to the moon continue to highlight goals of landing the first woman and first person of color on the ...

If you are fortunate to live in the occultation zone and the weather cooperates, this upcoming event is one that really should not be missed.

Planets continue their nighttime shows, with eight visible at points during February, including Venus on Feb. 14.