Watch for any slow, unusual meteors starting at nightfall tonight and tomorrow.
Aurora borealis possible October 7, 2015
Unexplained ripples have been found racing through a dusty disk.
Comet 67P’s nucleus was born when two became one.
AstroSat launched into orbit on September 28, 2015, and will soon start returning visible, ultraviolet, and X-ray images of the universe.
The incredibly popular novel, and now movie, The Martian draws people to the Red Planet with realistic detail. Explore the Red Planet not just in fiction but in reality with our Mars globe and map.
A fresh batch of high-resolution images from NASA's New Horizons spacecraft shows that Charon, Pluto's largest moon, has endured a lot.
Planetary scientist Alan Stern continues his exclusive series of blogs with details of what awaits the New Horizons spacecraft when it reaches its next objective.
Early risers will be treated to wonderful groupings of bright planets, and evening sky offers excellent stargazing as well.
Thanks to the Rosetta spacecraft, researchers can follow the cycle of water escaping from the nucleus of Comet 67P/Churyumov-Gerasimenko.
New maps from NASA’s Dawn spacecraft reveal more about both the landscape and composition of the largest asteroid.
After a late-night ramble through the Hyades cluster, the waning gibbous Moon will cover up the bright star Aldebaran for observers across North America Friday morning.
Some of the universe’s most luminous galaxies are also the most mysterious. New simulations shed light on how these galaxies formed.
Call it a blood Moon, supermoon, harvest Moon, a portent of the apocalypse, or just a regular ol' total lunar eclipse — for those who caught a glimpse, last night's celestial event did not disappoint. Sky & Telescope editors had been looking forward to last night's total lunar eclipse for a multitude reasons. For...
Scientists have confirmed that water-soaked salts likely create dark seasonal lines on Mars.
On the night of September 27–28, the full Moon will plunge completely through Earth's shadow for the last time until January 2018.
Visit SkyandTelescope.com on the night of September 27th to watch our exclusive webcast of the last total lunar eclipse anywhere until 2018.
The answer is a tantalizing maybe. Astronomers are investigating whether an increase in the number of flares from Sgr A* are due to the recent close passage of a dusty object known as G2.
A pair of poster-size lunar maps, produced by the U.S. Geological Survey, let you roam around the Moon's surface and explore the lunar landscape.
Astronomers think a bright X-ray source in the galaxy NGC 1313 is a mid-size black hole.
Observations of two cool white dwarfs show irregular outbursts in the stars’ otherwise steady rhythm of pulsations.
A striking, just-released image from NASA's New Horizons mission shows a crescent Pluto panorama. Dramatic backlighting accentuates the dwarf planet's surprisingly rugged mountains.
Look to your local astronomy club for a day and night of observing activities for Fall Astronomy Day and International Observe the Moon Night.
Astronomers are investigating a new technique for finding close pairs of supermassive black holes, and they might have found one in the nearest quasar.
Astronomers have confirmed that the quasar PG 1302-102 is probably a binary supermassive black hole, its members less than a tenth of a light-year apart.