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Largest explosions in the universe since the Big Bang
Astronomers have discovered the largest explosions since the Big Bang. These extreme nuclear transients are massive stars getting destroyed by black holes.
June 5, 2025
Galactic collision? Milky Way might not be doomed after all
Newly combined data shows Andromeda and Milky Way galaxies might not collide as previously assumed. The research puts chances of a galactic collision at 50/50.
June 5, 2025
Unusual star pulsing in X-ray and radio baffles scientists
Astronomers have discovered an unusual star that emits both radio and X-ray wavelength pulses at the same time, every 44 minutes.
June 4, 2025
Why do stars twinkle, but planets do not?
Seen from space, both stars and planets shine steadily, but seen from Earth, stars twinkle while planets (usually) do not. Here’s why.
June 4, 2025
Weird! Titan’s atmosphere is wobbling like a gyroscope
Using data from NASA's Cassini mission, scientists have found that Titan's atmosphere is wobbling like a gyroscope. But they're not sure why.
June 3, 2025
Are the TRAPPIST-1 planets water-rich? New study says maybe
A new study suggests the 7 Earth-sized TRAPPIST-1 exoplanets could have widely varying amounts of water, ranging from very little to more than Earth.
June 1, 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
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
Strange double starlight pulses revealed in new SETI search
A SETI search of 1,300 stars for optical alien signals has found something odd: two fast, identical starlight pulses from a sunlike star 100 light-years away.
May 24, 2025
