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.
Many of the deep-sky objects we point our telescopes toward have pleasant surprises, some in plain sight, others hidden and more challenging. Let me introduce you to a few.
With the Moon out of the picture, amateurs can once again check in on comet 45P/H-M-P, now making an appearance in the evening sky.
A study of ancient meteorites has refined the date for the dissolution of the solar nebula, the cloud that shrouded our Sun in its earliest days.
Don't miss the chance to see world-class observatories by day and the amazing southern sky by night during next month's astronomy and stargazing tour in Chile.
Green-glowing 45P/Honda-Mrkos-Pajdusakova will make an unusually close pass by Earth on Saturday. Watch it boogie across the morning sky this week!
NASA's Juno spacecraft continues to give us amazing views of Jupiter, now from its fourth perijove pass.
In astrophotography, to dither means to shift the pointing of the telescope slightly in random directions between exposures. Here's how it works, and why you should use it.
Take a high-power ride to seek out baby stars and clotted clouds within the heart of the Orion Nebula.
A recent study found micrometeorites in piles of dirt collected from urban European rooftops.
A unique method reveals the influence of a planet within the stellar disk around TW Hydrae.
The shock and dazzle of Iridium flares will soon be a thing of the past. Here's how to make the most of seeing them before they're replaced by a new generation of satellites.
NASA's Cassini returns stunning new views of Daphnis and friends from its ring-grazing orbits.
Explore two unique astronomical sites that lie under the dark skies of Namibia - the HESS high-energy array and the Africa Millimeter Telescope.
Late sunrises make it easy to follow the parade of planets at dawn, including a nice apparition of Mercury this week with three successive lunar conjunctions.