Space.com

What Is A Blood Moon?

If the rays of the setting or rising sun hit the moon just right, the moon appears to turn red or ruddy-brown. This is called a blood moon.

Perseid Meteor Shower 2018: When, Where & How to See It

The Perseid meteor shower will burst into light this August as Earth passes through the long trail left by Comet Swift-Tuttle. This year, though, the moon may interfere with the show. Here's how and when to see the Perseids.

Orionid Meteor Shower 2018: When, Where & How to See It

Some of the brightest and swiftest shooting stars will bedazzle the night sky this year during the Orionid meteor shower, which will peak between Oct. 20 and 22 and continue through early November.

Next Stop, Mars? Life-Detection Gear Passes Test on Earth

A small, lightweight life-detection package has passed a key trial here on Earth, suggesting that it could someday hunt for microbes on Mars or the ocean moons of the outer solar system, researchers say.

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