Hypervelocity clouds, generally thought to be falling fast into the Milky Way, might have an alternative explanation that places them near us.
Space News & Blog Articles
The bright Moon this week passes Jupiter, then Mars. Deep-sky darkness starts returning to the evening sky on the Thursday the 13th. The bulky Andromegasus Dipper is on autumn display.
A simulated map of the Milky Way shows the location of our galaxy's stellar corpses — and they're not where you might think they'd be.
The upcoming Hunter's Moon reminds us of the many ways we can enjoy observing our humble satellite.
Watch what the Sloan Digital Sky Survey has observed (galaxies galore and swarms of asteroids) and then see what goes on behind the scenes.
Meet Scheat, the orange giant star that peaks the Great Square of Pegasus in autumn skies in the Northern Hemisphere.
Why do you look up? Maybe there was something that initially drew you out to the stars...and maybe now it's a habit of the best kind.
October is a great time of year to do some casual stargazing. The stars and planets are waiting for you — all you need is this month’s Sky Tour astronomy podcast. Just download or stream the audio file and take it with you outside.
The Moon poses with Antares at dusk. A few nights later, lunar sunrise unveils the sharp black line of the Straight Wall in Mare Nubium for small-telescope users. Saturn, Jupiter, and Mars span the evening sky. Mercury climbs onstage at dawn.
The flying observatory has been grounded due to its lofty price-tag and questionable productivity, causing an outcry among astronomers
The most compelling dormant stellar-mass black hole candidate in the Milky Way orbits a Sun-like star only 1,570 light-years away.
Juno will pass over the surface of Europa this week in our closest view since the Galileo mission, aiding future exploration efforts.
The DART impact into asteroid moon Dimorphos wowed astronomers with an unexpectedly dramatic plume.
New radio images reveal evidence for a planet forming around the Sun-like star LkCa 15.
A peculiar repeating fast radio burst seems to be coming from a dynamic environment in an otherwise uninteresting region, leaving researchers scratching their heads as to the burst’s origin.
NASA's DART mission will impact the asteroidal moon Didymos on Monday. Here's how to watch and what we'll learn.
Three solar system emissaries have returned beautiful and even interactive vistas of Neptune, Jupiter, and Mars.
Cygnus and the Milky Way cross the zenith after the end of twilight. Saturn, Jupiter, and Mars await your scope through the night. A thin crescent Moon poses favorably at dawn — because it's cupped.
Astronomers have detected a bubble of hot gas circling our galaxy’s central black hole soon after seeing a flare, suggesting both arose from the same process.
A sentinel in the autumnal sky, Jupiter marks its closest opposition since 1963.
A new study urges caution in interpreting the chemical fingerprints that Webb is collecting of alien worlds.