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.
10 June 2014, 10:30 AM ET
The sun unleashed two massive solar flares Tuesday (June 10), both of them reaching X-class levels, the biggest storms on the sun. See video of the solar flares here.
10 June 2014, 10:17 AM ET
Sunspot AR2087 gave NASA's Solar Dynamics Observatory a show on June 10th, 2014 with back to back X2.2 and X1.5 solar flares. NOAA cautioned against a wide area blackout of HF radio communications. FULL STORY: http://goo.gl/q0tLYF
10 June 2014, 07:01 AM ET
A star shining about 2,800 light-years from Earth will chow down on two of its planets millions of years from now
10 June 2014, 07:00 AM ET
Whenever a massive asteroid lines a city up in its crosshairs — and it's just a matter of time before this happens — a few rubberneckers are bound to ignore evacuation orders and head toward the impact site to get an eyeful.
09 June 2014, 11:53 PM ET
This gorgeous space wallpaper, taken in the Atacama Desert in Chile, shows star trails circling the South Celestial Pole, over a cacti-dominated still landscape.
09 June 2014, 09:54 AM ET
Europe's Rosetta Mission will study comet 67P/Churyumov-Gerasimenko, nicknamed ‘Cherry-Gerry.’ The probe’s Philae lander will attempt a first-ever landing on the surface.
08 June 2014, 11:53 AM ET
What was your favorite space news story of the last week?
08 June 2014, 11:00 AM ET
Carl Sagan launched 'Cosmos,' an epic 1980 TV series that brought science to the public like never before. Now, Sagan's legacy lives on in 'Cosmos: A Spacetime Odyssey' — a 13-episode series airing on Fox. See our complete coverage.
08 June 2014, 07:00 AM ET
A new image captured by NASA's Spitzer Telescope reveals a cluster of young stars inside the Serpens Cloud Core.
07 June 2014, 01:23 PM ET
From a spectacular solar eruption to breathtaking images from NASA Astronaut Reid Wiseman, don't miss these amazing space images of the week for June 7, 2014.
07 June 2014, 12:57 PM ET
From the Milky Way glittering over an Earthly rock arch to a majestic full "Flower Moon" rising, don't miss these amazing objects to watch in the night sky.
07 June 2014, 07:34 AM ET
Researchers have developed a method to recreate supernova explosions in the lab using high-intensity lasers.
06 June 2014, 05:30 PM ET
The 12 proposals range from a submarine that would explore the hydrocarbon seas of Saturn's huge moon Titan to a probe that would travel around the solar system by hitching rides on comets.
06 June 2014, 03:23 PM ET
Astronomers have apparently discovered the first of a class of strange hybrid stars, confirming theoretical predictions made four decades ago. The stars, known as Thorne-Zytkow objects, are hybrids between red supergiants and neutron stars.
06 June 2014, 10:37 AM ET
A massive formation on the sun made of super-hot magnetic plasma erupted this week in an explosive solar storm captured on video by NASA spacecraft.
06 June 2014, 10:30 AM ET
The huge asteroid 2014 HQ124, nicknamed 'The Beast,' will fly by Earth Sunday (June 8), but poses no threat to Earth. But what if it DID hit us? Here's what the stadium-sized asteroid would do.
06 June 2014, 06:35 AM ET
NASA's new K2 mission, born from the hobbled Kepler spacecraft, is already underway and performing its own alien-planet–hunting science.
05 June 2014, 05:16 PM ET
Researchers are ready to send NASA a last-ditch proposal to save the 11-year-old spacecraft.
05 June 2014, 04:00 PM ET
A new supercomputer simulation of how galaxies grow may have illuminated the mysterious lack of matter around the cores of galaxies.
05 June 2014, 02:01 PM ET
A new analysis of lunar rocks now supports the idea that the moon was born in a gigantic collision between the nascent Earth and a mysterious planet-size rock, scientists say.
05 June 2014, 02:00 PM ET
Samples from Apollo missions containing isotopic oxygen supporting the theory that a Mars-sized object (called Thea) slammed into Earth setting off a series of conglomeration events that ultimately created the Moon. Story: http://goo.gl/MGfZ0E
05 June 2014, 12:21 PM ET
A plasma filament stretching about half the Sun's length 'danced' above the its surface for nearly 4 days before being sucked onto the surface, igniting a bright eruption, whose image was captured by NASA spacecraft.
05 June 2014, 11:59 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in May 2014.
05 June 2014, 07:01 AM ET
A newly discovered asteroid nicknamed 'The Beast' will zip safely by Earth on Sunday (June 8). You can get a sneak preview of the 1,100-foot asteroid flyby today, June 5, in a Slooh community observatory webcast.
05 June 2014, 07:01 AM ET
The physics world was agog in March over the announcement that astronomers had possibly found ripples in space-time from the earliest moments of the universe. But some scientists now question whether the findings may be nothing more than galactic dust.
05 June 2014, 03:52 AM ET
NASA's approach to innovation applies far beyond just the aerospace industry.
05 June 2014, 03:33 AM ET
NASA's next Curiosity-class rover blends old and new approaches to innovative tech.
04 June 2014, 10:39 PM ET
NASA's prime innovations, from Apollo to Viking.