Bees see polarized light and use it to navigate to honey. Learn how you can use it to crack the Egg Nebula.
Feared lost for almost two years, NASA's Stereo B solar observatory is now back in (tentative) contact with mission control.
The discovery of trans-Neptunian object 2011 KT19 in a strange orbit deepens a key mystery in the outer solar system.
The intriguing Palomar globular clusters will challenge observers with modest to large telescopes, while providing a satisfying ramble around the galactic halo.
Make a connection to a time when stars were used to track seasons and predict natural events by watching the heliacal rising of Sirius.
JAXA and NASA are looking at the possibility of replacing the dead Hitomi X-ray observatory, with a potential launch around 2020.
An otherwise faint and distant periodic comet underwent a bright outburst at the end of last month. Now it's visible in amateur telescopes at nightfall.
Learn how to photograph a meteor shower with these step-by-step instructions, as well as advice for the advanced imager.
The meteors are coming! Three annual meteor showers are already active and guaranteed to spark up your summer nights.
The Mars 2020 rover reached a third crucial milestone this past week on the path to the launch pad.
Now you see 'em, now you don't. Watch the Moon occult Neptune and nearby Lambda Aquarii on the same night.
Take an imaginary journey in a boat down the Milky Way's Great Rift, exploring rich star clouds and dark nebulae along the way.
A survey of free services and apps that let you keep tabs on space weather so you can anticipate the next great aurora.
After a 5-year-long journey, NASA's latest emissary to the largest planet in the solar system has arrived at its destination.
Few amateurs have looked through a telescope and not imagined what it would be like to take a photo of the target in the eyepiece. I know I did when I got my first telescope. But back then, astrophotography was practically a black art: 35mm film was the only medium of choice, and it required…
Late June offers a grab bag of clusters and nebulae "lined up" at the midnight hour. Time your southern deep-sky viewing with meridian passage and you'll be a happy camper.
A modest proposal: the golden spike that marked the beginning of the Anthropocene was the first lunar landing in Mare Tranquilitatis.
A recently discovered asteroid plays leapfrog with Earth as they both orbit around the Sun.
Take a trip down the rabbit hole to the weird and weighty world of planet-sized white dwarf stars.
An innovative new meteor detection network will engage researchers and the public in a search for space rocks.
Celebrate the June 20th solstice, when the Sun and the full Strawberry Moon combine their powers to illuminate both day and night.
First science results from ESA's LISA Pathfinder mission exceed expectations, with five times the sensitivity. This result paves the way for a future full-scale gravitational wave observatory in space.
Supernovae are popping up everywhere! Two stars flamed out millions of years ago and at least one is an easy catch right now in amateur telescopes.
ISS astronauts are reviving our passion for space travel in novel ways.
It's showtime for the King of the Rings! Time to get your telescope out to see and share Saturn, which comes to opposition this week.