A cosmic rabbit hole in the tail of Leo will take you to Abell 1367, a wonderland of galaxies more than 300 million light-years from Earth. Step in and lose yourself in the vastness.
LISA Pathfinder, the technology testbed mission for a future gravitational-wave detector, turns out to be a surprisingly good micrometeoroid hunter.
The MEarth exoplanet survey nabs LHS 1140 b, a rocky planet transiting its host star just 41 light-years distant.
The annual Lyrid meteor shower will add some pop and sizzle to Saturday's pre-dawn sky. With little interference from the Moon, conditions are ideal for meteor watching.
Get ready for 2014 JO25, the biggest asteroid to fly this close to Earth since 2004. Good news — even a 3-inch telescope will show it! Update: See below for a radar image and animation of 2014 JO25 captured by NASA's Goldstone Solar System Radar on April 18, 2017. Every week, a handful of new Earth-approaching asteroids…
Govert Schilling chronicles his travels to astronomical observatories across South Africa, the future site of the Square Kilometre Array.
Dawn comet C/2015 ER61 PanSTARRS just underwent a bright outburst and is now an easy binocular object. Take a look before the Moon returns!
NASA's Cassini mission nears its final act — the spacecraft will enter the first of its Grand Finale Orbits later this month.
You'll capture the night sky as it truly looks when you learn how to establish a proper white balance in your DSLR astrophotos.
It's easy to like Jupiter. No other planet offers such a bounty of amazing sights through the telescope, especially this week when it reaches opposition. On April 7th, the largest planet in the solar system will rise at sunset and shine all night. That's the date Jupiter lines up behind the Earth in opposition. The…
Terry Lovejoy's new comet has gone from faint to bright in just three weeks and is now a tempting binocular target at dawn.
Here are some tips on you, too, can see Sirius B, the "Pup" of the Dog Star, Sirius A.
Data from the Rosetta mission has linked outbursts on Comet 67P/Churyumov-Gerasimenko with dramatic changes on the comet's surface.
A recently discovered supernova in Lupus now shines around magnitude +11.5, bright enough to see in a modest telescope. With photos and maps, we'll get you there. I wished I lived in Georgia and not just for the peach trees and warmer weather. No, I'd be able to get up early tomorrow morning to marvel at…
With Venus approaching inferior conjunction, don't miss the chance to see one of the thinnest Venus crescents of your life.
Comet 41P/Tuttle-Giacobini-Kresak begins its best showing of the year this week as it slingshots across the Big Dipper into circumpolar skies.
Cassini gave us a good look a Saturn's moon Pan last week... and what a strange world it is.
Obsolete constellations may be gone, but they're not forgotten. We revisit their brief glories and learn how to find them in the 21st-century sky.
A recent study suggests a plausible mechanism to explain why observers sometimes hear superbright meteors at the same time that they see them.
SpaceX's surprise announcement envisions humans traveling beyond low-Earth orbit and to the Moon at the end of 2018.
Push your telescope to the limit and put your eyes to the test with this series of tight-knit springtime double stars.
Purple halos around stars can be a problem when shooting with inexpensive camera lenses and telescopes. Here's how to fix them.
If you're crazy about crescents, you'll find your happy place this week between the Moon and Venus. Meanwhile, we shift our focus from 45P/H-M-P to another famous periodic comet, 2P/Encke.
NASA has announced that its Juno spacecraft will remain in a wide-ranging orbit around Jupiter, extending the mission's lifetime.
Three possible landing sites are now in the running for the U.S. space agency's next Mars rover.