We show how this "cosmic clock" uncovers the evolution of rivers, coasts and habitats.

Researchers are using X-rays to discover invisible markings left on ancient parchment containing information from the Greek ...

Synchrotron radiation has revealed a star map made by the ancient astronomer Hipparchus that was thought to be lost to time ...

There are several ancient monuments proving that our predecessors possessed knowledge of astronomy and used it for practical purposes.

Ancient Greek astronomers made important observations regarding the night sky long before the first ...

A new study shows that the event that wiped out the dinosaurs caused only a small drop in shark and ray species at the same ...

As gas falls toward a black hole, it heats up and shines. If the glow becomes intense enough, it can push incoming gas away. Astronomers call this balancing point the Eddington limit, and for decades ...

A little more than a thousand years ago, monks at Saint Catherine’s Monastery in Egypt’s Sinai desert removed Western ...

Long forgotten and hidden under layers of religious texts, the world’s earliest star catalog has just resurfaced. Scientists ...

Astronomical winter reaches its true midpoint on Feb. 3, as daylight gains begin to accelerate across the Northern Hemisphere ...

Researchers using a synchrotron at the SLAC National Accelerator Laboratory have been able to recover pieces of the ...

The first humans stepped on the moon in 1972, and since then, no one has back. Now, NASA is taking the steps to get back to ...