In honor of Sun-Earth Day 2005, Space Imaging has created a special IKONOS satellite image gallery of 13 ancient observatories around the world. Known for their ability to precisely align with the sun ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Archaeologists have uncovered the remains of an ancient Egyptian ...

What do Stonehenge, Mayan pyramids, and a spacecraft a million miles away have in common? They’re linked by a human need to explore and understand the Sun, moon, planets, and stars. This year’s ...

NASA's Picture of the Day captures star trails that gracefully move in the sky over the Beijing Ancient Observatory in China. This observatory, nestled in the heart of Beijing, has a rich history ...

The facility tracked the sun's movements closely. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Archaeologists have identified the first ancient Egyptian astronomical observatory on record, which they say is the "first and largest" of its kind, according to a translated statement from the ...

An ancient and enigmatic stone circle in the Middle East may not be a prehistoric astronomical observatory after all, according to a new study of satellite images. But some of the criticisms may be ...