Almost twice as ancient, star gives glimpse of sun's future
Thick, rigid crust of ice encases Saturn's largest moon, perplexing scientists
Satellite data capture how jet stream pushed particles through planet's atmosphere
Remnant glow of ancient stars offers glimpse of universe's past
Ten years after a Delta II rocket launched NASA's Spitzer Space Telescope, lighting up the night sky over Cape Canaveral, Fla., the fourth of the agency's four Great Observatories continues to illuminate the dark side of the cosmos with its infrared eyes.
Brightness measurements can help gauge size, stage of evolution
Ejections from stellar newborn move faster, differently than astronomers thought
Space telescope’s days as a premier planet hunter are over
If you can’t see it, it doesn’t exist. That’s an old philosophy, one that many scientists swallowed whole. But as Ziva David of NCIS would say, it’s total salami. After all, you can’t see ba...
Pulsar near Milky Way’s center makes first assessment of this type possible
For decades now, black holes have been the rock stars of popular astrophysics, both fact and fiction. Physicists rely on them to explain all sorts of mysterious astrophenomena, and black holes have be...
Enceladus' chilly jets ebb and flow in time with the planet’s tug