Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
A solargraph over the Kelpies, Scotland
A solargraph is a long-exposure photo showing the sun's path across the sky, day after day. The Kelpies, in Scotland, are said to be the world's largest equine statues.
June 25, 2018
Mercury beneath Venus in western dusk
To catch all 5 bright planets in late June and July 2018, you first of all need to spot Mercury beneath Venus at dusk or early evening. Try your luck tonight and for several weeks to come!
June 25, 2018
Will your summer will be full of mosquitoes?
Now that it’s summer in the Northern Hemisphere, our thoughts turn to … mosquitoes! Here’s some handy info from a biologist.
June 24, 2018
Rosetta spacecraft image archive complete
Rosetta journeyed through space for 12 years and performed early flybys of Earth, Mars and 2 asteroids before arriving at comet 67P/Churyumov-Gerasimenko. It produced nearly 100,000 images. Some of the best, here.
June 24, 2018
Will climate change make rice less nutritious?
As atmospheric carbon dioxide levels rise, rice plants - the primary food source for more than 3 billion people - produce fewer vitamins and other key nutrients.
June 24, 2018
The perfect swarm
Fireflies are winged beetles. They use bioluminescence - emitting light due to a chemical reaction in their abdomens - to attract mates or prey.
June 24, 2018
Arrival
A sliding rock under the Milky Way at Racetrack Playa in California's Death Valley. Photo by Yuri Beletsky.
June 23, 2018
Will ‘slow earthquakes’ along central San Andreas trigger larger quakes?
"Based on our observations, we believe that seismic hazard in California is something that varies over time and is probably higher than what people have thought up to now."
June 22, 2018
Sunset and smoke over Colorado
The last of the evacuation orders for the 416 fire north of Durango, in southwest Colorado, were lifted on June 19, 2018, as rainfall squelched the fire.
June 22, 2018
Moon near Jupiter from June 22-24
The nights of June 22, 23 and 24 are a great time to make a sure identification of Jupiter on our sky's dome.
June 22, 2018
