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Powerful cosmic explosion could be a new class of event
A powerful cosmic explosion - named EP240408a - might be a jetted tidal disruption, or perhaps it's something completely new! More here.
January 31, 2025
The mass of a star is determined from binary star systems
Binary stars - a star system consisting of two stars - are extremely useful. They give all the information needed to measure mass of a star. Here is how.
January 31, 2025
Using exploding white dwarfs to measure the universe
The Rubin Observatory will find millions of exploding white dwarfs, or Type Ia supernovae. Astronomers can use them to measure the universe and dark energy.
January 30, 2025
Juno spots most extreme volcanic activity on Io to date
On a recent flyby, the Juno spacecraft spotted intense volcanic activity on Io, one of Jupiter's moons. It was more extreme than any volcanism ever seen on Io.
January 29, 2025
A super-Venus exoplanet (with a watery name)
Astronomers thought that exoplanet GJ 1214 b was either a watery super-Earth or a mini-Neptune. But a new study says it is more like a super-Venus exoplanet.
January 27, 2025
New images of exocomet belts around 74 nearby stars
The new REASONS survey has found exocomet belts around 74 nearby stars. The images reveal a wide variety of comet belt appearances and ages. Find out more.
January 26, 2025
Marsquakes might explain Mars’ north-south hemisphere differences
Why are Mars' hemispheres so strikingly different? New analysis of marsquakes may have finally offered an explanation for the mysterious 'Martian dichotomy'.
January 24, 2025
Extreme winds on exoplanet reach 20,000 mph
Astronomers found extreme winds on exoplanet WASP-127b reach 20,000 mph (32,000 km/hr). Read more about these supersonic winds here.
January 23, 2025
Earth’s asteroid mini-moon a chunk of the moon?
Earth had an asteroid mini-moon late last year for 2 months. Now scientists say that the mini-moon was likely a chunk of our moon ejected in an impact.
January 23, 2025
Lakes on Mars had ripples! They must have been ice-free
At least some ancient lakes on Mars were ice-free. NASA's Curiosity rover discovered evidence for small wind-blown ripples on the former lakes in Gale crater.
January 22, 2025
