ASTRONOMY

A blood moon as seen from Sydney, Australia on July 28, 2018

Mark Your Calendars: A Rare Super Blood Wolf Moon Is Coming in January 2019

Here's when to see it.

Winter Solstice, Ursid Meteor Shower, and Cold Moon are Happening Tonight

Don't miss out on the last big celestial event of the year.

Gladys West, a Pioneer of GPS Technology, Receives One of the Air Force's Highest Honors

The mathematician laid the groundwork for technology we all use today.

An artist's rendering of the dwarf planet Eris

10 Facts About the Dwarf Planet Eris

Eris was once thought to be larger than Pluto.

The Geminid Meteor Shower Peaks Next Week: Here's When and Where to See It

Don't miss one of the best meteorological events of the year: The Geminid meteor shower is famous for its bright, frequent shooting stars.

Artist's depiction of NASA's InSight lander parachuting toward the surface of Mars.

How to Watch NASA's Live Stream of the InSight Mars Landing

After covering 91 million miles of the solar system, the robotic lander is set to make contact with the Red Planet's Elysium Planitia this afternoon.

The Leonid Meteor Shower Peaks This Weekend—Here's the Best Way to See It

It comes around every November.

Two Harvard Scientists Suggest 'Oumuamua Could Be, Uh, an Alien Probe

It was the first known interstellar object to enter our solar system.

The Orionid Meteor Shower Peaks This Weekend

Look up!

10 Memorable Neil deGrasse Tyson Quotes

America's preeminent badass astrophysicist turns 60 years old today.

Why Is It So Dark in Outer Space?

It's a question scientists have been asking for more than 400 years.

Galileo Before The Papal Tribunal by Robert Henry. Hulton Archive, Getty Images

Newly Uncovered Galileo Letter Details How He Tried to Avoid the Inquisition

The letter may solve a centuries-long mystery.

Autumn Equinox: The Science Behind the First Day of Fall

Happy first day of fall! The season of colorful foliage, frosty mornings, and pumpkin-spice everything is upon us, thanks to the autumn or fall equinox.

NASA's New Exoplanet-Hunting Satellite Has Made Its First Big Discovery

Pi Mensae c is about 60 light years away from our solar system.

Is Pluto a Planet After All? A New Argument Emerges

The hapless dwarf planet got demoted in 2006, but some stubborn scientists are still lobbying for reinstatement.

A Solar Storm Could Make the Northern Lights Visible Over Parts of the U.S. Tonight

Catch the spectacle without taking a trip to the Arctic.

ESA/Hubble, NASA, A. Simon (GSFC) and the OPAL Team, J. DePasquale (STScI), L. Lamy (Observatoire de Paris)

Here's What the Northern Lights Look Like on Saturn

The phenomenon is not limited to our planet.

Silicon Republic, Wikimedia Commons // CC BY-SA 4.0

Jocelyn Bell Burnell, Who Discovered Pulsars, Was Just Awarded $3 Million for Her Work—More Than 40 Years After Nobel Prize Snub

Her discovery received the Nobel prize in 1974 ... but it was her male professor who got the credit.

5 Goals of the OSIRIS-REx Mission to the Asteroid 'Bennu'

The spacecraft will use a robotic arm to scoop up a sample of Bennu and then return it to Earth.

NASA Found 'Definitive Evidence' That There's Water Ice on the Moon

Huge news for future Moon explorers.

Earth as captured from near the lunar horizon by the Lunar Reconnaissance Orbiter in 2015.

The Science Behind Why the Earth Isn't Flat

Let's review why and how we've known for at least 2300 years that the Earth is round.

The Perseid Meteor Shower Is Going to Be Amazing This Weekend

Here's what you need to know.

The Longest Total Lunar Eclipse of the 21st Century Lights Up the Skies This Weekend

You'll have one hour and 43 minutes to catch a glimpse.

15 Podcasts That Will Make You Feel Smarter

Your education shouldn't end when you graduate.

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