Stargazers of ancient times, watching as the starry heavens turned about the world in which they lived, were convinced that the Earth was stationary and central to all. They also marveled as five ...

The second stage of SpaceX's Falcon 9 rocket captured an amazing view of Earth during the launch of the Intelsat 40e satellite. Credit: SpaceX | time-lapsed by Space.com's Steve Spaleta Music: Jupiter ...

Enjoy May’s second Full Moon, see Mercury at its best, spot Titan near Saturn, and much more in the sky this week.

Summer officially arrives in the Northern Hemisphere this month, bringing with it balmy evenings that invite us to look up.

This Pew Research Center report looks at Americans’ views of climate change, the environment and related topics. Why did we do this? Pew Research Center does research to help the public, media and ...

"The FAA is requiring SpaceX to conduct a mishap investigation. The FAA will oversee the SpaceX-led investigation, be ...

A rare second full moon arrives this week — and if you get the timing wrong, you'll miss its magic. Here's how to plan it ...

Both occultations and eclipses can be total — when one body entirely blocks or obscures the view of the other body it passes ...

Summer stargazing begins with some spectacular sights, including the hyped conjunction of Jupiter and Venus, which get close ...

More than 36,000 near-Earth asteroids have been discovered, according to NASA’s Center for Near-Earth Object Studies. The ...

NASA is hosting a news conference at 2 p.m. on Tuesday, May 26, to share plans for a lunar base and highlight progress toward ...