SUNSET: 
Comet 41P/T-G-K Greens Up For St. Paddy's Day
Comet 41P/Tuttle-Giacobini-Kresak begins its best showing of the year this week as it slingshots across the Big Dipper into circumpolar skies.
Swift Black Hole Winds May Shape Galaxy
Winds that charge away from supermassive black holes at a fraction of the speed of light have long been mysterious and even contentious. Now, new evidence sheds light on their origins.
Welcome to Pan: Saturn's Ravioli-Shaped Moon
Cassini gave us a good look a Saturn's moon Pan last week... and what a strange world it is.
Bright Mound on Ceres Due to Briny Eruptions?
The strange bright deposits inside Occator crater on Ceres are probably from cryovolcanic eruptions that are much younger than the crater itself.
A New Take on the Audible Meteor Mystery
A recent study suggests a plausible mechanism to explain why observers sometimes hear superbright meteors at the same time that they see them.
Seven-Planet Star Hides Age, Might Be Deadly
The star with seven exoplanets puts out enough high-energy radiation to tear away the inner planets’ atmospheres in a few billion years.
Aldebaran's Disappearing Act on March 4th
On the night of March 4th, all you'll need are your eyes to watch the Moon occult Aldebaran. Better yet, place yourself on the graze line.
The Strolling Astronomer Celebrates 70 Years
Still active today, the Association of Lunar & Planetary Observers and its journal got their start on March 1, 1947.
Tour March's Sky: Venus Sinks, Mercury Rises
In this month's easy-to-download podcast, find out how you can spot Venus in both the evening and predawn skies.Late in March, Mercury makes an appearance.
SpaceX Announces 2018 Moonshot Mission
SpaceX's surprise announcement envisions humans traveling beyond low-Earth orbit and to the Moon at the end of 2018.
Find New Worlds, Film an Eclipse & Do Some Citizen Science!
Hankering to discover new solar systems or understand our own? These citizen science projects and public data troves will help you fill your free time.
Sunday's Annular Solar Eclipse: First Reports
Clear skies prevailed across Patagonia in South America, providing intrepid eclipse-chasers with beautiful views of February 26th's annular solar eclipse.
Happy 30th Birthday, Supernova 1987A
The first naked-eye supernova since the invention of the telescope lit up the global astronomy world on the morning of February 23, 1987, as news spread by phone and teletype. Supernova 1987A in the Large Magellanic Cloud eventually reached magnitude 2.9, before beginning a long fade and a cascade of…
February 26th's Annular Solar Eclipse in 2017
Die-hard eclipse chasers have journeyed to the Southern Hemisphere to catch a short but dramatically thin "ring" eclipse of the Sun this weekend.
Seven Earth-Sized Planets Found Orbiting Dim Star
Astronomers have found seven Earth-sized planets around a cool red dwarf, all of which have the potential for liquid surface water.
Juno Will Stay in Current Orbit Around Jupiter
NASA has announced that its Juno spacecraft will remain in a wide-ranging orbit around Jupiter, extending the mission's lifetime.
Active Black Hole Encourages Starbirth
Astronomers have discovered long filaments of cold gas — the ingredient for making stars — cocooning giant bubbles inflated by a black hole.
Scientists Find Organics on Ceres
The Dawn spacecraft has detected organic compounds on the dwarf planet Ceres.
NASA Narrows Down Mars 2020 Rover Landing Sites
Three possible landing sites are now in the running for the U.S. space agency's next Mars rover.
Hubble Spies Faint Galaxies, Bountiful in Early Universe
Hubble has spotted more than 100 small, faint galaxies in the young universe, common as dust bunnies but previously out of reach of even the best telescopes.
