Ah, Andromeda, our galactic neighbor. Incredibly, you should be able to see this galaxy without the help of a telescope if you're in a sufficiently dark region on Earth. Per BBC Sky at Night, it's ...

New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a sun-like star, ...