Ancient shoreline features hint that water on Mars once formed a vast ocean.

Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming ...

"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most ...

Using powerful X-rays, researchers at SLAC are trying to recover erased traces of a 2,000-year-old star catalog that could ...

Long before Western astrology, the Chinese zodiac helped organize years, beliefs, and social life. Here’s how the system of 12 animals evolved over the centuries.

When you think about archaeology, space technology probably isn’t the first thing that comes to mind. But from satellites to cosmic rays, archaeologists actually look to space a lot more than you ...

Not long after the supernova of 1604, the telescope was invented. But astronomers would have to wait nearly four centuries to ...

An ancient Mayan manuscript known as the Dresden Codex has been shown to contain a remarkably accurate method for predicting ...

Who made the present-day official outlines of the 88 constellations and why do they contain so many zigzags?Caitlin ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

SLAC researchers used X-ray beams and the particle accelerator to recover the work of an ancient astronomer, who made the earliest known attempt to log the stars.