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.
22 August 2014, 07:35 PM ET
Tag-team robot rovers may help usher in a new era of lunar exploration.
22 August 2014, 07:00 PM ET
By immersing viewers in dramatically intricate 3D universes, Ralf Kaehler, Stuart Levy and Dylan Nelson enable new perspectives on the cosmos.
22 August 2014, 11:26 AM ET
The Flame Extinguishment - 2 (FLEX-2) experiment studies the burning of fuel droplets in space. In a recent test, iso-octane and heptane were the fuel sources in an oxygen (21%) and nitrogen (79%) environment.
22 August 2014, 10:54 AM ET
New research led by NASA shows that spaceflight confuses the immune system.
22 August 2014, 06:02 AM ET
The new map, made using photos taken by NASA's Voyager 2 probe in 1989, has also been turned into a movie reconstructing the spacecraft's historic Triton encounter — the only time a spacecraft has ever visited the Neptune system.
22 August 2014, 06:00 AM ET
Scientists discuss what makes Jupiter's moon Europa perhaps the solar system's best bets for hosting life beyond Earth.
21 August 2014, 02:02 PM ET
An ancient star in the halo surrounding the Milky Way galaxy appears to contain traces of material released by the death of one of the universe's first stars, a new study reports.