Meghan Bartels

2018 offers 13 chances to spot a beautiful full moon.

Scientists didn't find aliens in 2017, but here's what they did find.

"Now that we're in the business of finding things, we can say, well, soon we'll know."

Don't forget to take a break from the festivities to catch a glimpse of the year's first full moon.

This moon has piled up a stunning array of adjectives—here's what they all mean.

Here's what we know—and don't know—about our neighboring planet.

From revelations into Jupiter's Great Red Spot to a dazzling solar eclipse to an alien solar system with eight planets, 2017 was packed with space discoveries.

Even just four months after the eclipse, scientists have learned a ton from the day the sun went out.

Like a miniature, foldable blimp, the robot will fit through holes just 1.5 inches across.

Hollow Earthers are the new Flat Earthers.

Santa Claws is coming to town.

"No matter what we (or the aliens) do, we'll both make mistakes."

It takes a much smaller collision than scientists had thought to get an Earth and Moon that look the way they do today.

Scientists investigating why the star dims for as much as two days found a gruesome explanation.

Saturn's gravity is so fierce it can tear a moon apart to festoon itself with rings.

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.

Super-thick atmospheres could be enough to cocoon planets from the rough neighborhood of these stars.

The shortest day of the year means sunlight is coming back soon.

A whole bunch of scientists will be at the edge of their seats, and you can be too.

Bright spots that could be a sign of recent water on the dwarf planet have piqued scientists' interest.

We already know there's at least one planet out there, so it's hard to resist looking for life.

Winter is coming; here's when.

Knowing what we haven't found can help scientists see what they could still be missing.

Our sister planet is far more dynamic than previously suspected.

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.