2018 offers 13 chances to spot a beautiful full moon.
Scientists didn't find aliens in 2017, but here's what they did find.
Here's what we know—and don't know—about our neighboring planet.
Even just four months after the eclipse, scientists have learned a ton from the day the sun went out.
Hollow Earthers are the new Flat Earthers.
Santa Claws is coming to town.
It takes a much smaller collision than scientists had thought to get an Earth and Moon that look the way they do today.
It's dark, it looks like a skull and it made its last close approach on Halloween 2015. What is the universe trying to tell us?
"This is remarkable that the supermassive black hole is able to impact stars forming at such large distances."
This may be how life on Earth began.
Forget merry and bright. It's time to feel merry and smart.
A whole bunch of scientists will be at the edge of their seats, and you can be too.
We already know there's at least one planet out there, so it's hard to resist looking for life.
Knowing what we haven't found can help scientists see what they could still be missing.
Huge collisions have huge consequences.
The satellite data usually isn't accessible, since commercial companies help gather it, but for emergency management, they're making an exception.
Loner stars had been tricky to understand, and now scientists can get a better handle on them.