On March 13, 2008, astronomers published the first study showing Tau Boötis experienced a pole flip. That's something we had previously only seen on the sun.
Could a super-Earth end life on Earth? Computer simulations suggest that such a world - orbiting between Mars and Jupiter - would be bad news for Earth.
NASA has released a new Hubble movie of the DART asteroid impact from September 26, 2022. The sequence of images shows the impact and resulting spray of debris.
Researchers at the University of Washington have created new forms of salty ice hydrates. They might explain unusual surface markings on icy moons like Europa.