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Brave the cold for this one—it'll be worth it.

How to Watch the First Meteor Shower of the Year

The Most Powerful Space Telescope in History Will Study the Solar System's Watery Moons

NASA’s Kepler Space Telescope continuously monitored more than 150,00 stars beyond our solar system, and to date has offered scientists an assortment of more than 4,000 candidate planets for further study — the 1,000th of which was recently verified. Kepler entered Mission K2, scans closer systems Kepler entered its second phase about a year later, …

Are Those Really Alien Megastructures? How Astronomers Plan To Investigate

This Incredible 1.5-Billion-Pixel Image Is the Biggest Hubble Picture Ever - Popular Mechanics

This Incredible 1.5-Billion-Pixel Image Is the Biggest Hubble Picture Ever

This Incredible Image Is the Biggest Hubble Picture Ever

The James Webb Space Telescope could find "winking" planets pointing to Shoemaker-Levy 9 style bombardments.

A Flickering Exoplanet Could Point to Cometary Collisions

Comets rain down on a young, rocky world in this artist's impression of the Late Heavy Bombardment, a theorized period of intense impact activity on Earth approximately four billion years ago.

The time when the first galaxies formed is an astronomical mystery. But maybe not for long.

How Scientists Hunt for the Universe's Missing History

The time when the first galaxies formed is an astronomical mystery.

The Asteroid Threat, Visualized

The Asteroid Threat, Visualized. It's not a question of if a large asteroid will strike the Earth again. It's a question of when.

NASA and the Hubble Space Telescope image gorgeous stellar remains.

The Veil Nebula Looks Like a Radiant Space Ribbon

Veil Nebula Supernova Remnant NASA’s Hubble Space Telescope has unveiled in stunning detail a small section of the expanding remains of a massive star that exploded about years ago. Called the Veil Nebula, the debris is one of the best-known superno

Einstein Cross

Einstein Cross (Nici's Chatter Box)

Astronomers See the Same Supernova Explode for 40 Years

The European Space Agency is looking for an Earth twin.

Europe Will Put 26 Telescopes on One Satellite to Hunt for Earth-Like Planets

The European Space Agency is looking for an Earth twin.

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