Newly-discovered asteroid 2018 CB will be passing only about 44,000 miles away Friday and visible in modest telescopes.
The 2018 total lunar eclipse was witnessed by many in western North America and right across the Pacific.
February's astronomy podcast offers you a trio of bright planets to spot before dawn and a plethora of bright stars to check out each evening.
The launch of the Humanity Star has some fuming, others smiling, at the prospect of seeing a bright, new satellite. What do you think?
If you're not in the right place in the right time, you can still view Wednesday morning's total lunar eclipse online via several live streams. We list several options here.
Get ready for a celestial event — a total lunar eclipse during the month's second full Moon and near lunar perigee — that hasn't happened in 35 years!
An unusual dawn total lunar eclipse presents special challenges and great photo opportunities. Here's what you need to know to make the most of it.
Here's all you need to know to help us measure the size of Earth's shadow on Jan. 31, 2018.
A spectacular fireball seen by hundreds of people from Iowa to Ontario delivered precious samples from the asteroid belt to the lake country of southern Michigan Tuesday night.
Mira, one of the easiest-to-observe pulsating variable stars, reaches peak brightness this month. Don't be shy, come look her in the eye.
The new year opens with the magnificent pairing of the solar system's largest planet with one of its smallest.
The Quadrantid meteor shower is usually one of the year's best. But this year's event will be spoiled by strong light from an intruding Moon.
On Wednesday, January 31, 2018, the first total lunar eclipse in more than two years graces the skies above North America. The Western United States, including Alaska and Hawaiʻi, has the best view.
Sky & Telescope's year-at-a-glance guide to celestial happenings is a symphony of detailed calculations and clear, elegant design.
January's astronomy podcast describes how to spot Mercury, Mars, Jupiter, and Saturn in the predawn sky during January — plus you'll learn about a "trifecta" full Moon at month's end.
Two total lunar eclipses occur this year, the first since late 2015, in January and July. Meanwhile, three solar eclipses take place in 2018 — all of them only partial cover-ups.
More than a dozen times each year, we experience a pulse of "shooting stars" from an annual meteor shower. Sky & Telescope predicts that the two best meteor showers in 2018 will be the Perseids in mid-August and the Geminids in mid-December.
Maybe you just got a shiny new telescope to call your own. Congratulations — you could be on your way to discovering many amazing, far, deep things in the night sky. Although most of them are so far and faint that just locating and detecting them is the challenge! Whether your new scope is a…
A slender Moon is an beautiful and inspiring sight. December and January offer several opportunities to see these exceptional crescents.
Mark the date: December 13th. That's the night the Geminid meteor shower peaks. Highlighted by the return of its parent asteroid 3200 Phaethon, this year's show promises to be one of the best ever.
As you'll hear in December's astronomy podcast, early risers are treated with views of Jupiter (obvious), Mars (not as easy), and Mercury (timing is everything!).
The parent asteroid of next month's Geminid meteor shower, 3200 Phaethon, is about to make a historically close flyby. Get ready to watch it race across the sky.
With exoplanet Ross 128b in the news, we pay a visit to the star that sustains this potentially habitable exoplanet.
Venus bids farewell at dawn, but not before a close encounter with returning Jupiter.
By watching a star’s disappearance, astronomers learned about the state of the ultrathin atmosphere of Triton, Neptune's largest moon.