29 August 2014, 07:01 AM ET
NASA's GOES-West satellite snapped a photo of Marie at 11:00 a.m. EDT Thursday (Aug. 28), the same day it was downgraded from a hurricane to a tropical storm. Marie was about 865 miles west of Punta Eugenia, Mexico at the time.
28 August 2014, 02:56 PM ET
A new measurement, which used quasars as bright and consistent relative-distance markers, charted the famous "Seven Sisters" star cluster at 136.2 parsecs, or 444 light-years, away from Earth.
28 August 2014, 02:01 PM ET
The researchers detected a huge disk of dusty debris around a sunlike star called NGC-2547 ID8. The cloud was likely spawned when two planetary building blocks slammed into each other just two years ago or so, scientists said.
28 August 2014, 07:00 AM ET
The Holometer project, which is based at the U.S. Department of Energy's Fermi National Accelerator Laboratory (Fermilab) in Illinois, is now operating at full power, probing the very nature of space-time itself.
27 August 2014, 03:29 PM ET
Power winds emanating from the binary system's stars interact and are being studied with the help of Chandra X-ray Observatory imagery. The system harbors one of the largest and brightest stars in the Milky Way.
27 August 2014, 02:17 PM ET
Galaxy GOODS-N-774 has been observed by NASA and ESA space telescopes and the W.M. Keck Observatory. The view is how it appeared 11 billion years ago.
27 August 2014, 01:11 PM ET
NASA cryospheric program manager Dr. Tom Wagner talks to Space.com's @MiriKramer about how the space agency is trying determine the causes of the ice loss and how it affects Earth.
27 August 2014, 01:01 PM ET
Stars are giant fusion reactors, smashing protons together to produce energy.
27 August 2014, 01:01 PM ET
Supernovas may spark from catastrophic nuclear explosions on dead white dwarfs. The scenario has long been theorized by scientists, but now direct evidence has been found.
27 August 2014, 01:00 PM ET
Particles released from the core of the sun confirm existing models of the fusion process that drives the star.
27 August 2014, 07:13 AM ET
Scientists working to detect gravitational waves from black holes and other exotic phenomena billions of light years away, pass their passion to future generations. A new film, by Kai Staats, is coming.
26 August 2014, 05:45 PM ET
Mission team members had been considering drilling a rock dubbed "Bonanza King" but scrapped the idea after pre-drilling activities suggested that the stone is not stable enough. Curiosity has instead resumed the long drive to the towering Mount Sharp.
26 August 2014, 04:24 PM ET
Astronomers observing with the Atacama Large Millimeter/submillimeter Array (ALMA) have been able to image merging galaxy H-ATLAS J142935.3-002836. A foreground galaxy gravity magnified the light of the merger to deliver the image.
26 August 2014, 02:52 PM ET
The sun kicked off this week with an explosive solar flare that, while not aimed directly at Earth, may be a hotspot to watch over the next few days.
26 August 2014, 06:00 AM ET
NASA's Voyager 2 spacecraft made the first-ever flyby of Neptune on Aug. 25, 1989, zipping by the planet and its moon Triton in quick succession. The historic encounter gave a face to two worlds that until that time had dwelt in depth and shadow.
25 August 2014, 09:12 PM ET
What happens when two black holes pass in the night?
25 August 2014, 06:06 PM ET
A robotic space probe is due to set down on a comet in November, and now scientists have identified five sites where it could land.
25 August 2014, 05:36 PM ET
Data from instruments aboard a NASA sounding rocket corroborates the claim that about 10 million years ago a cluster of supernova explosions blew a bubble in the interstellar medium. Today Earth resides in that bubble.
25 August 2014, 03:37 PM ET
New Horizons — which is scheduled to zoom through the Pluto system on July 14, 2015 — passed Neptune's orbit today, 25 years to the day after NASA's Voyager 2 probe executed the first-ever flyby of faraway Neptune and its icy moon Triton.
25 August 2014, 12:00 PM ET
NASA combined data from the Spitzer Space Telescope, Chandra X-Ray Observatory and ESA's XMM-Newton to produce an image of the supernova remnant Puppis A.
25 August 2014, 10:07 AM ET
NASA's Solar Dynamics Observatory captured the M5.6-class flare in multiple wavelengths, while the NASA/ESA Solar and Heliospheric Observatory wide view captured some of the ensuing coronal mass ejection.
25 August 2014, 08:03 AM ET
The moon has a distinctive smell. Ask any Apollo moonwalker about the odiferous nature of the lunar dirt and you'll get the same answer. The moon smells like gunpowder.
24 August 2014, 07:21 PM ET
An M5.6-class flare erupted from sunspot AR2151 on August 24th, 2014. NASA's Solar Dynamics observatory captured a close-up of the fireworks.
24 August 2014, 08:07 AM ET
Drawing a crowd for a series of lectures on astronomy isn't easy — unless, of course, you have alcohol on your side.
23 August 2014, 11:55 PM ET
What was your favorite space news story of the last week?
23 August 2014, 02:20 PM ET
From dramatic star formation to Russia's next-generation rocket, don't miss these amazing space images of the week for Aug. 23, 2014.
23 August 2014, 12:54 PM ET
From Venus and Jupiter taking center stage, to spectacular auroras, don't miss these amazing objects to watch in the night sky.
23 August 2014, 09:54 AM ET
The Mars Science Laboratory has survived through the harsh conditions on the Red Planet, but it has not come through unscathed. Buzz60's Patrick Jones reports.
23 August 2014, 09:28 AM ET
A photo from NASA's Curiosity rover on Mars set the Internet abuzz this week with claims that the robot had found a "thigh bone" on the Red Planet. But not so fast. That so-called bone? Just a weathered Martian rock, NASA officials say.
23 August 2014, 09:20 AM ET
NASA's Mars rover Curiosity is beaming home amazing photos of the Red Planet.
23 August 2014, 08:20 AM ET
The northern lights illuminated Arctic skies earlier this week in a stunning display that could even be appreciated by astronauts living on the International Space Station.
22 August 2014, 07:57 PM ET
Sunspot AR2149 erupted with an M3-class flare on August 21st, 2014. NASA's Solar Dynamics Observatory captured the fireworks.