Cosmic Relief with David Grinspoon
Venus Lives!
Don’t disbelieve the hype: New evidence for active volcanic vents on our sister planet is convincing.
European JUICE Mission Launches for Jupiter
The European Space Agency’s first dedicated mission to the icy moons of Jupiter has launched successfully.
Artemis II Crew Selection, Mission Update
NASA has announced the names for the Artemis 2 crew headed to the Moon in 2024. Meanwhile, the Artemis program as a whole is taking shape.
Why We Look Up with Jennifer Willis
Cosmic Coregulation
Connection to the night sky can ease stress and give us a feeling of security.
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.
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.
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.
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.