March Podcast: A Barely-There Lunar Eclipse
As told in the latest episode of our long-running Sky Tour astronomy podcast, this month it’ll be challenging to a special kind of lunar eclipse on March 25th — but easy to spot five of the 10 brightest stars in the night sky.
Double Whammy: Binary Supernova in Gemini
New analysis reveals a tight relationship between two supernova remnants in the outer Milky Way.
Interstellar Comet 3I/ATLAS Has Cold, Ancient Origins
The most recent interstellar visitor was crisscrossing our galaxy for some 10 to 12 billion years before it came near the Sun.
Lucy's First Asteroid Flyby Sheds Light on a Double-lobed Asteroid
The main-belt asteroid 52246 Donaldjohanson, as captured by NASA’s Lucy spacecraft during a close flyby on April 20, 2025.The spacecraft snapped images every 2 seconds, a total of 37 in this time-lapse animation, until 40 seconds before the spacecraft passed by at a distance of 960 km (600 miles).NASA-Goddard /…
This Week's Sky at a Glance, June 19 – 28
The Moon as it will appear in an amateur telescope at 10 p.m. EDT Friday the 19th. This week Venus and Jupiter continue moving apart low in the western twilight. Vega and Arcturus shine equally high after dark. And watch Beta Lyrae self-eclipse.
“Shadow Blaster” Galaxy Might Have Sent High-Energy Neutrino to Earth
A star-forming galaxy in the early universe might have sent a ghostly particle known as a neutrino crashing into the ice at Earth’s South Pole, after an 11 billion-year journey through space.
See Venus Disappear in Broad Daylight on June 17th
On June 17th, much of North America can watch the Moon occult Venus in the daytime sky. All you need are binoculars.
Ancient Skies: The Moon That Returns Once in a Generation
The 18.6-year cycle of the lunar standstill belongs to the Moon. But recognizing it belongs to us. For centuries, people have watched carefully enough, remembered long enough, and taught faithfully enough to discover patterns that unfolded across generations.
