The Water On the Moon Probably Came From Earth

New isotopic analysis of hydrogen in Apollo-era Moon rocks shows that the water locked inside them hails from our planet
May 09, 2013 | By Joseph Stromberg

How to Travel to Outer Space Without Spending Millions of Dollars

Who's in the space suit? Increasingly, it is our digital selves
April 09, 2013 | By Mohi Kumar

How Far Can Voyager I Go?

The spacecraft will run out of power around 2025, but where will it travel to first?
April 2013 | By Ken Croswell

UPDATED: Has the Voyager 1 Probe Finally Left the Solar System?

New data indicate the spacecraft, launched in 1977, has neared interstellar space, more than 11 billion miles away from the Sun
March 20, 2013 | By Joseph Stromberg

Scientists Map Buried Flood Channels on Mars in 3D

Deep channels, buried under lava but now mapped with satellite data, give hints to the planet's violent, wet and recent past
March 07, 2013 | By Marina Koren

When, Where and How to Watch the Comet PanSTARRS This Month

Look for the comet just after twilight in the Northern Hemisphere's western sky, with the best viewing chances to come early next week
March 05, 2013 | By Mohi Kumar

What Damage Could Be Caused by a Massive Solar Storm?

An enormous solar storm could short out telecom satellites, radio communications, and power grids, leading to trillions of dollars in damages, experts say
February 22, 2013 | By Joseph Stromberg

Libra: The 21st Century (Libertarian) Space Colony

The government can't get their hands on you when you're floating above Earth
February 15, 2013 | By Matt Novak

An Asteroid Will Skim Right By the Earth on Friday Afternoon

The 147-foot-wide rock will pass a scant 17,200 miles from Earth's surface, under the orbits of some telecom satellites
February 12, 2013 | By Joseph Stromberg

The Building Blocks of Life May Have Come From Outer Space

Did meteorites seed Earth the building blocks of life?
February 2013 | By Ker Than

Watch Jupiter “Kiss” the Moon Tonight

Tonight, night sky watchers in the Northern Hemisphere can see Jupiter pass less than a finger's width away from the waxing Moon
January 21, 2013 | By Mohi Kumar

A 2.1 Billion-Year-Old Meteorite Reveals Water on Mars

Chemical analysis shows that the meteorite, discovered in Morocco, contains ten times as much water as any Martian rock previously studied
January 03, 2013 | By Joseph Stromberg

Does Deep Space Travel Cause Alzheimer’s?

A new study indicates that the levels of radiation astronauts would experience over the course of a deep space mission could lead to dementia
December 31, 2012 | By Joseph Stromberg

Space Exploration and the End of an Era: Notable Deaths in 2012

Neil Armstrong, Sally Ride, Roger Boisjoly and the shuttle program form this year's late greats of space exploration
December 28, 2012 | By Mohi Kumar

5 Science Stories to Watch in 2013

The new year could feature discoveries of life within subglacial Antarctic lakes, the brightest comet in generations and more
December 28, 2012 | By Joseph Stromberg

Using Only a Camera, Trace the Solar Analemma and Plot the Solstice

When viewed at the same time every day for a year, the Sun traces a pattern in the sky that can help you find out when a solstice occurs
December 21, 2012 | By Mohi Kumar

Mythical Particles, Goldilocks Planets and More: Top 5 Surprising Scientific Milestones of 2012

From the Higgs Boson to the Curiosity rover, 2012 was a major year for science
December 14, 2012 | By Joseph Stromberg

In Space, Flames Behave in Ways Nobody Thought Possible

Combustion experiments conducted in zero gravity yield surprising results
December 2012 | By Ker Than

Astronomers Discover the Most Explosive Black Hole Yet

The newly discovered quasar spews an amount of energy equivalent to more than two million suns
November 28, 2012 | By Joseph Stromberg

A Wandering “Homeless” Planet is Spotted in Deep Space

Astronomers have spotted an object roughly 100 light-years away that appears to be a planet not associated with any star
November 16, 2012 | By Joseph Stromberg

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