Earth
How do bats avoid collisions in massive groups? Now we know!
Bats navigate in groups of hundreds of thousands, and still don't collide with each other. How do they do it? We finally know!
April 7, 2025
Space
When will the Blaze Star explode and how can I see it?
We're still waiting for the Blaze Star to go nova! Here's how to find Corona Borealis so you're ready when it does happen. Find star charts and more inside.
April 7, 2025
Earth
Sun
Sun news: A blast of solar wind is on the way
Sun news April 7, 2025. The week is starting quietly, but a coronal hole's fast solar wind could bring geomagnetic activity over the next day.
April 7, 2025
Astronomy Essentials
Tonight
Visible planets and night sky guide for April
Visible planets and night sky guide. This evening, see the gibbous moon near the famous Sickle in Leo the Lion. Look for bright Regulus, the Heart of the Lion.
April 7, 2025
Human World
Dark skies of Paranal Observatory in Chile are under threat
ESO's Paranal Observatory, in Chile's Atacama Desert, has some of the world's clearest and darkest skies. But a new construction project now threatens them.
April 6, 2025
Space
See one gigantic Mars dust devil eating another
The Perseverance rover, which has been exploring the rim of Jezero Crater, imaged a large Mars dust devil consuming a smaller one.
April 6, 2025
Earth
New insight into how dogs see their world through smell
Researchers are developing new tools to help study what dogs experience. These insights can better inform trainers of dogs involved in scent detection.
April 6, 2025
Constellations
Leo the Lion and its easy to see backward question mark
Leo the Lion - one of the zodiacal constellations - is a prominent fixture from April through June in the evening sky. It’s easy to spot by finding the Sickle.
April 6, 2025
Earth
Space
Asteroid 2024 YR4 now has a 3.8% chance of hitting the moon
New observations of asteroid 2024 YR4 suggest increased odds of a strike to Earth's moon. The chances are now 3.8% of a strike in 2032.
April 5, 2025
Earth
Above-average hurricane forecast for the Atlantic in 2025
Colorado State University issued their hurricane forecast for the 2025 Atlantic season on April 3, 2025. Get all the details and more information here.
April 4, 2025
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