16 June 2014, 03:00 PM ET
Astronomers now have a powerful new tool to sniff out methane on alien planets. The organic molecule, considered one of the building blocks of life, could be key to finding organisms beyond Earth.
16 June 2014, 01:12 PM ET
The James Webb Space Telescope will be folded up for its launch to an orbit nearly a million miles from Earth. Voice actor Peter Cullen describes how its 'transformed' to a working telescope and the science it will perform.
16 June 2014, 11:45 AM ET
Earth's gravitational pull is so powerful that it creates a small bulge on the surface of the moon. For the first time, scientists have observed this bump from orbit, using NASA satellites.
16 June 2014, 07:30 AM ET
The blood flow in the human body changes in microgravity, fluids shift away from legs and up towards the head. This ncreases cranial pressure and causes optic nerve compression, flattening of the back of the eyeball and optic disc swelling.
16 June 2014, 07:26 AM ET
A NASA spacecraft arriving in the Pluto system next year could help scientists figure out if the dwarf planet's largest moon Charon might have once harbored a subsurface ocean of liquid water.
15 June 2014, 09:40 AM ET
What was your favorite space news story of the last week?
15 June 2014, 07:48 AM ET
NASA's Chandra X-ray Observatory captured this new image of the galaxy Messier 51 using X-rays.
14 June 2014, 11:03 AM ET
From "The Beast" asteroid to a "World Cup" in space, don't miss these amazing space images of the week for June 14, 2014.
13 June 2014, 08:38 PM ET
Capturing Venus pass before the sun is a rare sight that, if you missed it, you may not live to see.
13 June 2014, 11:31 AM ET
Astronomers using a giant radio telescope to investigate the most violent explosions in the universe, known as gamma-ray bursts, found something surprising in two distant galaxies: more dust and less gas than they expected.
13 June 2014, 09:16 AM ET
NASA researchers bounced radio signals off the huge near-Earth asteroid 2014 HQ124, nicknamed "The Beast" by some, as it whizzed by Earth just weeks after it was discovered.
13 June 2014, 07:00 AM ET
The agency's Orbiting Carbon Observatory-2 satellite is in final preparations for its July 1 liftoff. The OCO-2 mission is designed to provide a comprehensive global look at atmospheric levels of the heat-trapping greenhouse gas carbon dioxide.
12 June 2014, 05:15 PM ET
Heat shining from the young Earth could help solve the more than 50-year-old mystery of why the far side of the moon, which faces away from Earth, lacks the dark, vast expanses of volcanic rock that define the face of the Man in the Moon as seen from Ea
12 June 2014, 04:51 PM ET
NASA's Orbiting Carbon Observatory-2 (OCO-2) will collect hundreds of thousands of measurements each day as it flies over Earth. FULL STORY: http://goo.gl/tK51Ny
12 June 2014, 12:34 PM ET
The ~1200 foot-wide space rock (2014 HQ124) was imaged by the Deep Space Network antenna at Goldstone, California and two other telescopes. -- What Would Happen If It Hit Earth: http://goo.gl/QGr66D
12 June 2014, 11:24 AM ET
20-yr-old diver, filmmaker and conservationist Madison Stewart explodes myths about sharks in this Live Science exclusive interview with @DavidSkyBrody. On more than 450 dives, various species of shark have been her playmates, family and friends.
12 June 2014, 10:00 AM ET
NASA's vintage International Sun/Earth Explorer 3 spacecraft, ISEE-3, is responding to hails from a private team hoping to revive the probe for new deep-space adventures.
12 June 2014, 07:25 AM ET
Space fans can give their dads a little piece of outer space with two off-world gifts this Father's Day (June 15).
12 June 2014, 01:02 AM ET
Astrophysics is a branch of space science that applies the laws of physics and chemistry to seek to understand the universe and our place in it.
11 June 2014, 04:47 PM ET
The resulting debris from a collision of galaxies is expelled through tidal tails. Tidal dwarf galaxies are born out of the debris. Credit: Observatoire de Paris / GEPI / François Hammer et al.
11 June 2014, 01:00 PM ET
Gamma-ray Bursts (GRBs) release as much energy as our Sun will emit in its entire lifetime and are the brightest phenomenon in the Universe. ALMA array observations have been used to map gas and dust in GRB's host galaxies for the first time.
11 June 2014, 12:53 PM ET
NASA's Mars rover Curiosity has photographed Mercury crossing the face of the sun, marking the first time such a planetary "transit" has ever been imaged from the surface of a planet other than Earth.
11 June 2014, 10:06 AM ET
Sunspot AR2087 had already popped two X-class Flares on June 10, 2014 when, on June 11th, it erupted with M-5 and X-1 Flares back to back. The Sunlit side of the Earth may face some HF radio blackouts. FULL STORY: http://goo.gl/nJfcV1
11 June 2014, 10:00 AM ET
See photos and images of the biggest solar flares of 2014 in this SPACE.com gallery of photos by NASA spacecraft and solar astronomers.
11 June 2014, 09:54 AM ET
The sun is hitting its stride. Earth's closest star shot off yet another powerful solar flare today (June 11) after producing a pair of major solar storms Tuesday (June 10).
11 June 2014, 06:30 AM ET
Various explanations for why we don’t see aliens have been proposed but with every new discovery of a potentially habitable planet, the Fermi Paradox becomes increasingly mysterious.
11 June 2014, 04:28 AM ET
Chuck Yeager was an American test pilot who was the first person to break the sound barrier — the point where a speeding object (such as an airplane) passes the speed of sound.
10 June 2014, 06:32 PM ET
The Mars Science Laboratory's Mast Camera captured the planet on June 3rd, 2014. This is the first time a planet has been captured transiting the Sun from a planet other than Earth. Two sunspots were also seen. FULL STORY: http://goo.gl/s0ZLUu
10 June 2014, 03:54 PM ET
In an evaluation to determine funding, NASA ranked its Swift telescopes at the top of a list of nine astronomical space telescopes, not including Hubble or Chandra.
10 June 2014, 03:43 PM ET
Alan Stern, the principal investigator of NASA's New Horizons mission to Pluto, has challenged astrophysicist Neil deGrasse Tyson to just such a debate, NBCNews reported last week.
10 June 2014, 12:33 PM ET
Scientist have labeled it as a "mini-max", due to the low number of sunspots at the cycle's peak. Earth is not out of the woods yet though, the tail end of solar cycles tend to harbor the strongest flares and eruptions.
10 June 2014, 12:00 PM ET
The world will get its first good look at mysterious Pluto a little more than a year from now, possibly reigniting the debate over the object's planetary status. NASA's New Horizons probe will make a historic flyby of Pluto in July 2015.