When a star in the nearby galaxy NGC 2146 exploded in late 2024, it barely registered by supernova standards. The blast, ...
A distant supernova, SN 2025mkn, became visible from nine billion light years away after a galaxy’s gravity bent and brightened its light, helping scientists study it in detail.
Scientists discover a star, HD 254577, that survived a supernova and is now racing through space, revealing how the explosion happened.