Cool Finds

Look Up! The Perseid Meteor Shower Is Going to Be a Doozy This Year

The number of shooting stars could double this year

A Delta Aquarid meteor streaks across the sky.

Cool Finds

Keep Your Eyes to the Sky for the Delta Aquarid Meteors This Month

The late-July meteor shower heralds the popular Perseids

Avalanches may have triggered the jets of material spewing from Comet Hartley 2.

Avalanches on Comets May Help Make the Icy Bodies Visible

Tumbling rocks may have lit up Comet Hartley 2, allowing its discovery in 1986

Cool Finds

Amateur Astronomers Capture an Asteroid or Comet Colliding With Jupiter

The object recently exploded in the atmosphere of the solar system’s largest planet

The green object is the comet 252P/LINEAR as it passed by the Larger Megellanic Cloud.

Trending Today

A Pair of Comets Are Making a Record-Breaking Pass by Earth

This is the closest a comet has come in 246 years

An artist's impression of Philae's landing on Comet 67P. Philae is the small craft beneath the Rosetta orbiter. It detached from Rosetta and landed on the comet on November 12, 2014. Now it may be out of contact forever.

Trending Today

Scientists Are Trying to Get in Touch With Philae One Last Time

As Comet 67P hurtles further and further away, it’s taking the ‘little lander that could’ along with it

Geminid meteors streak across the sky behind a barn in western Iowa.

Trending Today

Catch a Glimpse of the Comet Catalina and the Geminid Meteor Shower

The meteor shower peaks next week as comet Catalina gets closer throughout the month

Wide-angle view of Comet 67P/Churyumov–Gerasimenko taken by OSIRIS on 12 September 2014

Cool Finds

Watch the Philae Lander’s Bouncing Touch Down on Comet 67P

A year after its crash-landing, researchers reflect on the unexpected successes of the mission

Comet Lovejoy (C/2014 Q2) on 12 February 2015

New Research

Comet Lovejoy is One Boozy Space Rock

The greenish comet that lit up the sky last January releases as much alcohol as 500 bottles of wine every second during its peak

Trending Today

The Draconid Meteor Shower Peaks This Week

Clear skies and little moonlight make for great meteor watching

Trending Today

Watch the Perseids Peak This Week

Summer’s stunning meteor shower is sure to please stargazers

Philae snapped this image of 67P over a mile from the comet's surface.

New Research

Philae Proves There’s More to Comets Than Dust and Ice

The lander found organic compounds on comet 67P

A composite image of the Philae lander on comet 67P.

Comet Lander Philae Wakes Up From Nap

“Are you there, Rosetta? It’s me Philae”

Part of the comet's smaller lobe from about 8 km above the surface

New Research

Rosetta’s Comet Close-Ups Reveal Goosebumps And Very Little Ice

Rosetta is watching for changes as the double-lobed comet approaches the sun

Ten years ago this week, the Huygens probe gave scientists a first look at the icy surface beneath the haze of Saturn's moon Titan.

Best Space Photos of the Week

Best Space Photos of the Week: From Solar Flares to Saturn’s Moons

A spitting sun, a well-loved lake and a happy accident on Mars star in this week’s best space images

A composite image made in Payson, Arizona, on December 28 shows Comet Lovejoy as it seemed to pass a globular cluster of stars called Messier 79.

How to See This Green Comet With the Naked Eye

The “New Year’s Comet” is taking astronomers by storm with an unexpected showing, and it should only get brighter through early January

An artist's interpretation of the Philae lander separating from Rosetta and landing on the comet.

Trending Today

The Philae Spacecraft Confirmed the Presence of Organic Molecules on the Comet it Landed On

Researchers hope the finding sheds light on how organic molecules might have first arrived on Earth

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