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.
Earth
Hotspots for Category 6 storms are growing
Category 6 storms - or extremely strong Category 5 hurricanes on the current scale - arise in hotspots on the globe, and those spots are growing.
December 18, 2025
Sun
Sun news: Fast solar wind brought magnetic storms last night
Sun news December 18: Solar wind triggered an earlier-than-expected G1 (minor) geomagnetic storm last night, with more storming and auroras possible tonight.
Earth
These giant sea reptiles lived in freshwater rivers, too
Scientists thought mosasaurs - giant sea reptiles - lived in oceans. But the discovery of fossils in North Dakota shows they may also have lived in freshwater.
December 18, 2025
Tonight
Year’s shortest season to start at December solstice
The year's shortest season - between the December solstice and March equinox - is about 89 days. It's 5 days shorter than the longest season.
December 18, 2025
Earth
What’s a green flash and how can I see one?
Have you ever seen the green flash from a setting sun? Learn how to see one here, plus how they appear, and enjoy some great photos and watch a video!
December 18, 2025
Space
Weird, ultra-hot, double-tailed planet surprises scientists
WASP-121 b is a scorching double-tailed planet. Helium gas is escaping from its atmosphere and forming 2 huge tails along its orbit.
December 17, 2025
Space
Researchers question methane atmosphere on TRAPPIST-1e
Previous hints of a methane atmosphere on TRAPPIST-1e might not be accurate, a new paper suggests. But the tantalizing exoplanet could still have an atmosphere.
December 17, 2025
Constellations
Look for Cetus the Whale swimming in a celestial sea
Cetus the Whale is a huge constellation that swims in a sea of stars near constellations named for a river and fish. And it contains a wonderful variable star.
December 17, 2025
Human World
The Wright brothers succeeded 122 years ago
The Wright brothers made aviation history on December 17, 1903, taking humanity’s 1st powered flight into the skies at Kitty Hawk.
December 17, 2025
Space
Astronomers create 1st map of the sun’s outer boundary
Astronomers have produced the 1st map of the sun's outer boundary, the point-of-no-return for material that escapes the sun's magnetic grasp.
December 16, 2025
Subscribe now! A daily update with Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Space
View All
Astronomy Essentials
View All
Earth
View All
Human World
View All
