SUNSET: 
Explore the Night with Bob King
Pleasures of Lunar Pareidolia
Do you still see animal shapes in clouds? If so, you'll enjoy doing the same with the Moon, home to the Moon Maiden, a giant pair of scissors, and other fantastic specters of light and shadow.
Astronomy in Space with David Dickinson
Rosalind Franklin Rover Targeting 2028 Launch to Mars
The European Space Agency is working to get its ambitious Mars rover back on track after complex delays.
Anticipating Comet Tsuchinshan-ATLAS (C/2023 A3)
Newly discovered Comet C/2023 A3 might reach naked-eye brightness when it flies past Earth in 2024. Check out our forecast of what to expect to see in the months ahead.
Explore the Night with Bob King
Tell Time with the Big Dipper; See Ceres Transit a Spiral Galaxy
Phone battery dead? Learn how to tell time with the Big Dipper. Also, don't miss a remarkable transit of Ceres in front of the bright spiral galaxy M100.
Why We Look Up with Jennifer Willis
Sucker Holes
When skies are cloudy, sucker holes may offer us a view — albeit often only a brief one — of the universe overhead.
Aurora Season Is Underway
These are the nights to get ready for the auroras — and tonight may be your lucky night. Not only is the current solar cycle swiftly intensifying, March is one of the best times of the year to see the northern lights.
Astronomy in Space with David Dickinson
Small Asteroid Spotted Hours Before Demise
The swift detection of a small asteroid, and recovery of its surviving fragments, shows we’re getting better at spotting incoming objects.
Cosmic Relief with David Grinspoon
ET on Earth?
The search for extraterrestrial intelligence should not exclude our own planet.
Catch Birth Flickers of Budding Suns in Orion
Three flickering stars in Orion offer insight into what life looks like before the main sequence.
Why We Look Up with Jennifer Willis
On Burnout, the “Green Comet,” and White Dwarf Stars
With care and diligence, amateur astronomy can offer a satisfying reprieve.
Astronomy in Space with David Dickinson
Lucy Mission Has a New Asteroid to Fly By
NASA’s Lucy mission now has a new first target of opportunity, a main-belt asteroid it will visit this November.
Understanding the Tails of Comet ZTF (C/2022 E3)
We explore Comet ZTF's remarkable trio of tails and share the latest news and photos.
See Comet ZTF (C/2022 E3) Dash Between Big and Little Dippers
Forget the hype and go outside to enjoy the real thing — a relatively bright comet you can see in binoculars from a dark sky.
Tiny Asteroid 2023 BU to Miss Earth
A recently discovered asteroid will pass exceptionally close to Earth on January 26th. Here's how to see it. Also, Comet ZTF (C/2022 E3) is brightening nicely, with three tails visible in binos.
Why We Look Up with Jennifer Willis
Why We Look Up: Star Stuff
Why do we look up? Because we are a way for the universe to know itself; and perhaps because the universe is a way for us to know ourselves.
Explore Double Stars in the "Winter Pair-a-gon"
The Winter Hexagon is not only key to finding six of the season's most prominent constellations but also a gateway to a more than a half-dozen delightful double stars.
Space Missions to Watch in 2023
A tour of Jupiter’s moons and a mission to a "metal asteroid" are among the spacecraft to be launched in 2023.
Astronomy in Space with David Dickinson
NASA's Mars Insight Reaches End of Mission
NASA's groundbreaking Insight lander on Mars has fallen silent.
All Eight Planets Line Up ... Again!
Echoing summer's great arc of planets at dawn, winter presents the full octet again, this time splayed across the evening sky.
The Black Hole Files with Camille Carlisle
The Challenge of Weird Black Hole Mergers
When spacetime shivers last only a fraction of a second — as in the case of the massive-black-hole merger GW190521 — astronomers struggle to uncover their origins.