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Planets

Record-Setting Exoplanet Casts Doubt On Star Theory

The Huffington Post | Posted 08.07.2013 | Science

A newly seen alien planet sets a new record as the lowest-mass world ever detected around a sun-like star using direct imaging, astronomers report in ...

Is Risk Of 'Runaway' Greenhouse Effect Bigger Than We Thought?

The Huffington Post | Posted 08.01.2013 | Science

Will a warming climate turn Earth into a hot, hellish place like Venus? Not anytime soon. But a far-looking new study suggests that Earth's atmosphere...

Could 'Water-Trapped' Worlds Host Alien Life?

Space.com | Adam Hadhazy | Posted 07.27.2013 | Science

A new study takes a deeper look into the fate of life-permitting water on Earth-like planets around red dwarf stars, the most common stars in the univ...

THIS MONTH: How To See Celestial Close Encounters

Space.com | Geoff Gaherty | Posted 07.14.2013 | Science

If you only glance at the sky now and then, you may think it's pretty much the same every night. Regular sky watchers know better, and are aware of th...

WATCH: Next Major Mars Mission Unveiled

Space.com | Mike Wall | Posted 07.10.2013 | Science

NASA's next Mars rover should hunt for signs of past Red Planet life and collect samples for eventual return to Earth, a team of mission planners has ...

What If Earth Had Planets Instead Of Moon?

The Huffington Post | Posted 07.05.2013 | Science

Here's a crazy idea: what if you looked up at night and saw not the moon but an enormous Saturn looming over the horizon? Or if Jupiter filled the nig...

Orbiter Helps Reveal Planet's Fiery Past

| Ken Croswell | Posted 07.04.2013 | Science

Cratered Mercury (inset) won't win any beauty prizes, but it sure had a colorful past. Thanks to the Messenger spacecraft, which began orbiting the wo...

WATCH: 'Moonrise' Spotted On Red Planet

Space.com | Mike Wall | Posted 07.03.2013 | Science

One of Mars' two tiny moons climbs high into the Red Planet sky in an otherworldly new video recorded by NASA's Curiosity rover. The video, which sti...

WATCH: What If 'The Greatest' Had Boxed On Mars?

The Huffington Post | Jacqueline Howard | Posted 11.11.2013 | Science

We've landed rovers on Mars -- and soon people may follow. But what would it be like if heavyweight champion Muhammad Ali had made his way to the Red ...

New Names Given To Dwarf Planet's Puny Moons

Space.com | Miriam Kramer | Posted 07.02.2013 | Science

It's official! Two tiny moons orbiting the dwarf planet Pluto finally have new names: Styx and Kerberos. The International Astronomical Union — the...

Planet Hunters Report Record-Breaking Discovery

Space.com | Miriam Kramer | Posted 06.25.2013 | Science

The habitable zone of a nearby star is filled to the brim with planets that could support alien life, scientists announced today (June 25). An intern...

LOOK: Stunning Snapshot Shows Red Planet In 1.3 Billion Pixels

SPACE.com | Mike Wall | Posted 06.20.2013 | Science

A new 1.3-billion-pixel image from NASA’s Mars rover Curiosity allows viewers to zoom in and investigate part of the Red Planet in incredible detail...

ET-Hunting Mini-Sub May Probe Nearby Moon

Astrobiology Magazine | Jeremy Hsu | Posted 06.15.2013 | Science

One of the first visitors to Jupiter's icy moon of Europa could be a tiny submarine barely larger than two soda cans. The small craft might help strik...

You'll Never Guess What Snow On Venus Is Made Of

The Huffington Post | Macrina Cooper-White | Posted 06.14.2013 | Science

Bothered by the pelting rain this hurricane season? Be thankful you don't live on Venus, where it seems to snow heavy metal! Scientists have never ...

WATCH: 'Snowboarding' On Mars?

The Huffington Post | Posted 06.12.2013 | Science

Mysterious markings have been spotted on Martian sand dunes, but where did they come from? Planetary scientists now say that blocks of dry ice probabl...

Strange Object Near Star Tied To 'Comet Factory'

Space.com | Elizabeth Howell | Posted 06.07.2013 | Science

A mysterious object lurking near the young star Oph IRS 48 could, along with observations of dust grains, change our understanding of planet formation...

Alien Planet Hunt To Get Boost From Rare Celestial Event

Posted 06.04.2013 | Science

By: Mike Wall Published: 06/03/2013 03:09 PM EDT on SPACE.com The stars will align for planet hunters twice in the next three years, allowing them...

Was Venus 'Doomed' From The Very Start?

| Posted 06.03.2013 | Science

By Ken Croswell Was young Venus an Eden or a hell? Though the planet is closer to the sun than Earth is, our star was dimmer in those early years, ...

Pebbles Offer Tantalizing Clues To Planet's Past

Posted 06.01.2013 | Science

By: Denise Chow Published: 05/30/2013 02:06 PM EDT on SPACE.com Smooth, round pebbles found by NASA's Mars rover Curiosity provide more evidence t...

WOW: Asteroids Hit Mars HOW MANY Times Each Year?

Posted 05.26.2013 | Science

By: SPACE.com Staff Published: 05/24/2013 12:46 PM EDT on SPACE.com Small space rocks are carving fresh craters into the Martian surface more ofte...

How To See Memorial Day Planet Parade

Posted 05.25.2013 | Science

By: Joe Rao Published: 05/24/2013 05:59 PM EDT on SPACE.com A trio of bright planets is shining together in the sunset sky, a must-see night sky s...

How Ordinary Are We?

Seth Shostak | Posted 07.24.2013 | Science
Seth Shostak

Could it be that our planet isn't typical at all? If so, then maybe life isn't typical either. On the other hand, if there are plenty of planets similar to Earth, we can reasonably hope for lots of cosmic company.

The Meaning of Life

Paul Ratner | Posted 07.21.2013 | Books
Paul Ratner

It wasn't something he expected to happen on such a dreary drizzly day, but he did, in fact, come to understand the meaning of life. And it wasn't one of those drunken enlightenments. No, this was the real thing.

Shifting Rings Yield Insights Into Saturn's Interior

| Posted 05.14.2013 | Science

By Ken Croswell Saturn's rings are such a spectacle that you can see them through even a modest telescope. Made mostly of water ice, the rings conta...

'Einstein's Planet' Discovered In Distant Constellation

Posted 05.15.2013 | Science

By: Clara Moskowitz Published: 05/14/2013 06:21 AM EDT on SPACE.com Einstein's special relativity has proven more useful than ever, as scientists ...