12 May 2014, 03:06 PM ET
The star is streaking through space at 1.4 million mph relative to our solar system, about three times faster than a typical star. It lies 42,400 light-years from Earth and is cruising toward the halo of dark matter that surrounds the galaxy.
12 May 2014, 02:44 PM ET
Bone loss is a serious issue that has plagued astronauts since the dawn of the Space age. In the microgravity environment bones are remodeled with a decrease in mineral density.
12 May 2014, 01:27 PM ET
After 40 years of observation, NASA and University of California researchers agree that melting of the West Antarctic Glacier has passed the point of no return. It contains enough ice to raise sea levels ~4 feet, but could take centuries to melt.
12 May 2014, 11:02 AM ET
What do you get when you pair brilliant space scientists with musical instruments? The International Space Opera. In the summer of 2012, NASA and SETI scientists performed "Ground Control: An Opera in Space."
12 May 2014, 01:13 AM ET
This fascinating space wallpaper shows the magnetic field of our Milky Way Galaxy as seen by ESA’s Planck satellite. This image was compiled from the first all-sky observations of polarized light emitted by interstellar dust in the Milky Way.
11 May 2014, 11:26 AM ET
What was your favorite space news story of the last week?
10 May 2014, 01:11 PM ET
From a brilliant image of the Flame Nebula to magnetic 'fingerprints' of the Milky Way, don't miss these amazing space images of the week for May 10, 2014.
10 May 2014, 12:47 PM ET
From a fireball blazing across the daytime sky to a stunning moonrise over Ocean City, don't miss these spectacular night sky images by stargazers and Space.com readers.
09 May 2014, 05:17 PM ET
A NASA spacecraft has made a surprising find on the surface of the sun: a square-shaped 'hole' in the star's outer atmosphere. You can watch the video here.
09 May 2014, 03:24 PM ET
Bill Nye — the creator and star of the 1990s hit TV show "Bill Nye the Science Guy" — thinks that entertainment can help raise scientifically literate kids.
09 May 2014, 02:37 PM ET
A square-shaped coronal hole has been imaged by NASA's Solar Dynamics Observatory. Open magnetic field lines cause these holes to form and gives high-speed streams of plasma a chance to escape the Sun pull.
09 May 2014, 06:39 AM ET
The Earth rises spectacularly as a tiny blue dot above the moon in a new photo that hints at the vastness of space and the fragility of humanity.
09 May 2014, 06:37 AM ET
Four spacecraft and one ground-based observatory recorded the eruption of a powerful X-class solar flare on March 29, making it the best-observed such event in history, NASA officials said.
09 May 2014, 06:25 AM ET
One company wants you to make this Mother's Day out of this world by naming features on Mars for moms on Earth.
09 May 2014, 06:15 AM ET
See the latest images of the moon from NASA's LRO spacecraft.
09 May 2014, 03:11 AM ET
Quaoar is a planetoid that lies in the Kuiper Belt, a region of space beyond Pluto that is filled with icy bodies.
09 May 2014, 02:54 AM ET
Capturing Saturn as it slips gently behind the moon.
09 May 2014, 12:27 AM ET
This unusual space wallpaper shows one of the VLT's Unit Telescopes. During the exposure the camera was zoomed so that the stars, and the rest of the image, are smeared radially to create a strange and striking effect.
08 May 2014, 08:20 PM ET
Scientists using a European space telescope have created the best map yet of our Milky Way galaxy's magnetic field, a set of cosmic "fingerprints" that may lead to better understanding of how stars form, researchers say.
08 May 2014, 06:43 PM ET
Climate change is not some far-off, nebulous issue that future generations will have to confront, Charles Bolden said Thursday. Rather, it's happening right now, and people all over the world are already feeling the effects.
08 May 2014, 04:57 PM ET
British planetary scientist Colin Pillinger, whose single-minded determination all but forced the European Space Agency to launch the ill-fated Beagle 2 lander to Mars in 2003, is dead at 70.
08 May 2014, 03:03 PM ET
Simple theory held that centers of nebulas, where gas and dust condense, are the birthplaces of star clusters. But data from the Chandra X-ray Observatory, reveals that stars on the outskirts of this and other nebulas are actually the oldest.
08 May 2014, 02:01 PM ET
There is still much to learn from the cosmic microwave background after astronomers found evidence of primordial gravitational waves within it, astronomers say.
08 May 2014, 01:02 PM ET
On March 29, 2014, an X-class flare erupted from the right side of the sun and vaulted into history as the best-observed flare of all time. See the photos here.
08 May 2014, 12:25 PM ET
See spectacular views of Earth from space by astronauts and spacecraft across the solar system.
08 May 2014, 07:00 AM ET
One of the most beautiful sights in the heavens is the view of our own Milky Way from the inside.
07 May 2014, 11:25 PM ET
This colorful space wallpaper portrays a section of Saturn’s beautiful rings, four centuries after they were discovered by Galileo Galilei. Saturn’s rings were first observed in 1610.
07 May 2014, 10:10 PM ET
Ikaros is a Japanese spacecraft that was the first to successfully use a solar sail at some distance from Earth.
07 May 2014, 03:50 PM ET
NASA is now live-streaming views of Earth from space captured by four commercial high-definition video cameras that were installed on the exterior of the International Space Station last month.
07 May 2014, 01:01 PM ET
Scientists have cooked up a new time-lapse simulation of the universe's evolution, a computerized view that shows how the cosmos may have looked over the course of billions of years.
07 May 2014, 01:00 PM ET
With the Illustris Simulation, astrophysicists have accurately modeled the correct mix of spiral, elliptical and irregular galaxies to show how all elements more complex than hydrogen or helium got their start. Full Story: http://goo.gl/JGDUmF
07 May 2014, 01:00 PM ET
The 'cosmic web' of our Universe has been spun in the past, but never with this level of detail. “Illustris” simulates the growth of galaxies and predicts how gas and metal content develops. Full Story: http://goo.gl/JGDUmF