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Clearest view of the sun’s corona: See the stunning details
Using new adaptive optics, a solar telescope in California has now captured the clearest views yet of the sun's corona, or outermost atmosphere.
May 30, 2025
Our teeth have strange origins in ancient fish
Our sensitive teeth evolved from sensory tissue on the exoskeleton of ancient, armored fish that lived 465 million years ago.
May 30, 2025
Alphecca, a jewel in Corona Borealis the Northern Crown
Alphecca. Gemma. Alpha Coronae Borealis or simply Alpha Cor Bor. They're all names for a single star, the brightest star in the Northern Crown.
May 30, 2025
Tropical Storm Alvin is 1st of the season in Eastern Pacific
The first named storm of the 2025 Eastern Pacific hurricane season - Tropical Storm Alvin - has developed. It is expected to weaken over the coming days.
May 29, 2025
Glacier collapse in Switzerland. Village buried, one still missing
A glacier collapse in the Swiss Alps has buried a village and blocked a nearby river. At least 1 person is reported missing.
May 29, 2025
Can Dyson spheres be stable? New research says yes
A new study says that Dyson spheres - and, similarly, ringworlds - could be stable in a two-star system. Read more about them and their impact on SETI.
May 29, 2025
Tantalizing dark streaks on Mars are bone-dry, study says
What are the mysterious dark streaks on Mars seen flowing down steep slopes? A new study using machine learning suggests they are caused by dry dust, not water.
May 29, 2025
Starship Flight Test 9 soars to space, then loses control
SpaceX's Starship rocket lifted off for the 9th time. It made it into space, then sprang a leak, spun out of control and tumbled back to Earth's atmosphere.
May 28, 2025
What is this weird sphere in space astronomers found?
An international team of astronomers has found an odd sphere in space. The almost perfectly round bubble-like object is most likely a supernova remnant.
May 28, 2025
Livestream: 100 hours to save America’s forecasts
Watch Skeptical Science's The Weather and Climate Livestream. This 100-hour-plus livestream will feature speakers explaining government cuts and more.
May 27, 2025
