SUNSET: 
184 results
Missing Planetary Ingredient Found
Protoplanetary disks, like this one near Rho Ophiuchi captured with the European Southern Observatory's 8.2-meter Very Large Telescope ANTU, were recently thought to be depleted of sulfur. Not anymore.Courtesy European Southern Observatory Astronomers know how much sulfur should be in protoplanetary disks, the places where planets are forming around other…
2002 National Young Astronomer Award Winners Announced
The Astronomical League has named its 2002 National Young Astronomy Award Winners.
Mysterious Jovian Hot Spot Puzzles Astronomers
The Chandra X-ray Observatory has found the cause of Jupiter's X-ray emissions. But the observations have left astronomers with more questions than answers.
Did a Comet Swarm Kill the Dinosaurs?
New evidence of another 65-million-year-old crater suggests the dinosaurs might have been killed by a 1-2 punch.
