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Best photos: This weekend’s planets before dawn
Venus is the brightest one up before dawn, but Mars and Jupiter were closer on Saturday than they will be again until 2018. Plus many people caught Mercury!
October 18, 2015
Milky Way over Morocco
The Milky Way over the top of Toubkal, a mountain peak in Morocco. At 4,167 meters, this point is the highest peak in North Africa.
October 18, 2015
Is this region empty of stars?
Meet the Coalsack Nebula, a cloud of dust and gas in space - birthplace for new stars. In millions of years, the Coalsack's stars will light up and shine brightly.
October 17, 2015
Hubble captures changes in Jupiter’s Great Red Spot
High-resolution maps and spinning globes reveal an elusive wave and changes to Jupiter’s Great Red Spot.
October 16, 2015
Neutrinos, ghost particles … what are they?
Physicist John Beacom explains the mystery of neutrinos, the almost massless and almost noninteracting elementary particle.
October 16, 2015
Warmer ocean may be releasing frozen methane
Bubble plumes off of Oregon and Washington suggest a warmer ocean might be releasing frozen methane.
October 15, 2015
El Niño strengthening
"This baby is too big to fail,” said NASA climatologist Bill Patzert. “Over North America, this winter will definitely not be normal."
October 14, 2015
Close encounters with Enceladus begin today
The flybys are part of a series of "lasts" for Cassini, whose mission to Saturn ends next year. Last chance for many years to see new up-close views of this fascinating, geologically active Saturn moon.
October 14, 2015
Galaxy halos more common than thought
Astronomers studied 35 galaxies with a newly upgraded radio telescope in New Mexico to learn more about galactic halos. This study confirms a 1961 prediction.
October 14, 2015
