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Star outside the Milky Way seen about to blow in closeup image
Astronomers have taken the first closeup image of a star outside the Milky Way. This star - WOH G64 - appears to be getting ready to go supernova.
November 22, 2024
MOND and more. Does the universe need a rethink?
MOND theory: There's increasing evidence that astronomical theories don’t match observations. Is it time to rethink our story of how our universe came to be?
November 21, 2024
A runaway star moves fast in an unusual direction
Stars in our Milky Way galaxy move in a more or less orderly way. But a star that moves differently from the general stream of stars is known as a runaway star.
November 21, 2024
More evidence for ancient ocean on Mars from Chinese rover
A new analysis of data from China's Zhurong rover supports the existence of an ancient ocean on Mars billions of years ago in the northern hemisphere.
November 20, 2024
Red monsters were massive galaxies in the early universe
Red monsters were massive galaxies in the early universe. Astronomers aren't yet sure how these galaxies became so massive so soon after the Big Bang.
November 19, 2024
1st intentional signal to space sent by Arecibo 50 years ago
Iconic Arecibo telescope is no longer operational. But its legacy lives on. And in 1974, Arecibo sent earthlings' 1st intentional signal to space.
November 15, 2024
The strange seasons of Uranus, a sideways world
The seasons of Uranus, each over 2 decades long, result from its tilted rotation axis, making for strange summers and winters on that planet.
November 14, 2024
Estimating the odds for intelligent life in the multiverse
A team of astronomers recently looked at how different densities of dark energy in various possible universes would affect the chances for intelligent life.
November 13, 2024
Uranus mysteries solved with Voyager data
A new analysis of data shows that when the Voyager 2 spacecraft flew past Uranus in 1986, it saw a skewed view of the planet's magnetosphere. Here's why.
November 12, 2024
New! Measure black holes with light echoes
Astronomers say they've developed a new method to detect light that echoes around black holes. It could help them measure black holes' size and rotation.
November 12, 2024
