17 November 2015, 11:07 AM ET
According to Spaceweather.com, a 'canyon of fire' created by erupting plasma "stretched for more than 300,000 km (186,411 miles)." NASA's Solar Dynamics Observatory watched the superheated fireworks on Nov. 15th, 2015.
17 November 2015, 07:11 AM ET
Long, thin "stretch marks" on the surface of Phobos are early signs that the Martian moon is falling apart, new research suggests.
16 November 2015, 01:45 PM ET
A windy day on HD 189733b is nothing to take lightly.
16 November 2015, 01:00 PM ET
The first annual Spacecom meeting, which is being held in Houston this week, aims to help Earth-based industries take advantage of space technologies and new business opportunities in space.
16 November 2015, 01:00 PM ET
Chemical analysis by NASA’s Mars rover Curiosity indicates that water made several repeat appearances to create the rich mineral veins at a site called “Garden City” in the lower part of Mount Sharp.
16 November 2015, 09:07 AM ET
Thirty research studies have been approved for the one-year International Space Station mission, currently underway by NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko.
16 November 2015, 08:00 AM ET
Pluto's the prettiest dwarf planet at the party in this new, brilliantly colored image recently released by NASA.
15 November 2015, 03:07 PM ET
Pulsars, dwarf planets and alien worlds break records, a strange space object falls from the sky and Pluto's moons get weird — this is Space.com's top stories of the week.
14 November 2015, 11:32 PM ET
From a gorgeous photo of the Milky Way to a spectacular sunrise taken from the ISS, don't miss these amazing space images.
13 November 2015, 11:45 AM ET
The mysterious space junk WT1190F fell from the sky this morning, and scientists had a flying, ringside seat as the object burned up in multicolored fireballs.
13 November 2015, 10:12 AM ET
The James Webb Space Telescope’s Nobel Prize-winning head astronomer advised planetary scientists Nov. 9 to get started on proposals for focusing JWST’s 6.5-meter mirror on objects most closer to home than its usual cosmic quarry.
13 November 2015, 09:59 AM ET
After the cataclysmic smashup that formed the Earth and moon, the blue planet may have taken all of the water and other light molecules for itself, leaving virtually none for its smaller sibling.
13 November 2015, 06:44 AM ET
Could the seismic fingerprint of dust devils detected on Earth be used to decipher the tiny tornadoes racing across the Martian surface?
13 November 2015, 06:40 AM ET
An unknown space object will crash through our atmosphere the morning of Friday, Nov. 13 — and a Slooh webcast will show the first observations live after it re-enters off the coast of Sri Lanka.
12 November 2015, 09:00 PM ET
Space.com Senior Writer Mike Wall is in Chile for the Giant Magellan Telescope's groundbreaking ceremony, which will take place Wednesday (Nov. 11). Here's an update about his travels.
12 November 2015, 04:07 PM ET
A star-studded groundbreaking ceremony here in the Chilean Andes Wednesday evening (Nov. 11) — attended by Chilean President Michelle Bachelet and other dignitaries — officially ushered the $1 billion Giant Magellan Telescope into the construction phase.
12 November 2015, 02:50 PM ET
Researchers have spotted the most luminous gamma-ray pulsar ever found — and the rapidly spinning, ultradense stellar core is also the first pulsar of its kind ever seen outside the Milky Way.
12 November 2015, 02:03 PM ET
Researchers have dubbed it "the most luminous gamma-ray pulsar known so far." A rapidly spinning neutron star in the Tarantula Nebula is the first of its kind to be observed in a the Large Magellanic Cloud.
12 November 2015, 12:57 PM ET
For at least the past 50 years, about half of all Earth’s carbon dioxide emissions - human and natural - have been absorbed by the land and oceans. Scientists are trying to understand how much more CO2 this global carbon sink can take.
12 November 2015, 12:48 PM ET
Scientists are studying the heat trapping behavior of CO2 released by land-clearing and accidental forest fires vs. factories in large urban centers. The data producing this simulation were taken during a 5-day period in June 2006.
12 November 2015, 12:40 PM ET
NASA Orbiting Carbon Observatory 2, launched in July 2014, measures global atmospheric carbon dioxide. Data from May to August 2015 were compiled to create this visualization.
12 November 2015, 12:33 PM ET
Plant growth and decay on land and ocean over a 12-moth cycle can be seen in this ‘average year’ data set, compiled from many science imaging satellites
12 November 2015, 10:03 AM ET
A newly found object lies about nine and a half billion miles from the sun, or two to three times farther away than Pluto, making it a candidate for the most distant known dwarf planet.
12 November 2015, 07:45 AM ET
Bruce Jakosky, principle investigator for MAVEN, spoke with Space.com about new findings that the sun stripped away much of Mars' atmosphere.
12 November 2015, 12:09 AM ET
The navigation camera on Rosetta captured this image of Comet 67P tumbling through space.
11 November 2015, 11:28 PM ET
A new study delivers the first evidence that water in ancient dust grains collected at the heart of an infant Earth during its formative years.
11 November 2015, 03:30 PM ET
The Halloween 'dead comet' spooked the world with its abrupt appearance, why didn't we know about it earlier?
11 November 2015, 03:26 PM ET
A new test for defining the planetary status of an exoplanet has been formulated, but a certain dwarf planet in our solar system still doesn't make the planetary grade.
11 November 2015, 01:13 PM ET
A newly discovered planet is being called the closest Earth-size planet ever discovered, possibly providing the mouth-watering opportunity for a close-up look at the atmosphere of a rocky body around another star.
11 November 2015, 01:09 PM ET
Astronomers have found what may be the oldest stars in the Milky Way, in the galaxy's bulge — a discovery that reveals extraordinarily powerful explosions known as hypernovas might have dominated the Milky Way during its youth, researchers say.
11 November 2015, 01:00 PM ET
A planet close to its parent star is hot like Venus, but rotates quickly and could have a substantial atmosphere.
11 November 2015, 11:23 AM ET
The closest rocky planet (GJ1132b) like our Earth has been discovered, 40 light years out – revolving close in to an M-dwarf star about 1/5th the size of our Sun. It was uncovered by the MEarth-South telescope array on Cerro Tololo in Chile.