Add Yahoo as a preferred source to see more of our stories on Google. My hypothesis is that remnants of a supernova – an exploding star – had an impact on the Earth’s past climate, causing global ...

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical characteristics? This is what a recent study published in Nature Astronomy hopes to ...

For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've developed. That's 90% of all space stuff in the observable universe that ...

Astronomers have for the first time seen the birth of a magnetar — a highly magnetized, spinning neutron star — and confirmed that it's the power ...