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

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

Imagining familiar images in the sky has always been an easy way to track the annual progress of the stars. Around the second century C.E., the Greek astronomer Claudius Ptolemy listed 48 “official” ...

June presents a perfect opportunity to spot the three biggest constellations in the sky — Hydra, Virgo and Ursa Major — but you may have to look beyond standard star charts to find the Big Three. Over ...

Have you ever noticed a constellation while driving at night and wondered what it was? Or looked up after dark and wondered what you were looking at? The night sky appears is constantly changing, ...

Peering into the past, we find that our ancestors held a surprisingly advanced understanding of the stars and constellations. Their knowledge, as revealed in ancient texts, often rivals our modern ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. “There’s not actually a dinosaur constellation, right?” I ...

Whenever we enter Valentine’s season, astronomers are sometimes asked about possible Valentine’s Day stars.  To answer this ...