Astronomy Trivia, Quizzes, and Brain Teasers | Mental Floss

©2017 Mental Floss, Inc. All rights reserved. Mental Floss® is a registered trademark owned by Felix Dennis. mentalfloss.com is a trademark owned by Felix Dennis.

CLOSE

Here's Where You Can Watch a Livestream of Cassini's Final Moments

Article main image

Big Questions

What Are the Northern Lights?

Article main image

Space

9 Essential Facts About Saturn

Article main image

Still Got Those Eclipse Glasses? Put Them Back On to See Huge Sunspots

Article main image

This Organization Wants Your Old Eclipse Glasses

Article main image

Stare All You Want at These Photos of the Solar Eclipse

Article main image

Here’s Why You Should Skip Selfies During the Solar Eclipse

Article main image

Eclipses Belong to Families That Span Millennia

Article main image

7 Maps of Fun Eclipse Viewing Locations

Article main image

This Newspaper Article Was Hyping the 2017 Eclipse All the Way Back in 1932

Article main image

Can You Really Go Blind Staring at a Solar Eclipse?

Article main image

4 Expert Tips on How to Get the Most Out of August's Total Solar Eclipse

Article main image

What Solar Eclipses Look Like on Different Planets

Article main image

What is Mercury in Retrograde, and Why Do We Blame Things On It?

Article main image

Look Up! The Perseid Meteor Shower Peaks This Weekend

Article main image

Balloon Cams Will Offer Unparalleled Views of the Total Solar Eclipse

Article main image

SECTIONS

arrow

LIVE SMARTER

arrow

LIVE SMARTER

Knock-Off Versions of Nerf Ammo Can Cause Serious Eye Injuries

Here's What You Need to Know Before Getting Inked or Pierced, According to Doctors

Graduates in These States Fare Best When It Comes to Student Debt

MORE LIVE SMARTER

©2017 Mental Floss, Inc. All rights reserved. Mental Floss® is a registered trademark owned by Felix Dennis. mentalfloss.com is a trademark owned by Felix Dennis.