20 December 2014, 12:00 PM ET
See photos and images of the biggest solar flares of 2014 in this SPACE.com gallery of photos by NASA spacecraft and solar astronomers.
19 December 2014, 06:24 PM ET
19 December 2014, 05:22 PM ET
NASA's first Orion space capsule — which made its spaceflight debut at the beginning of this month — is back in Florida after more than a week in transit.
19 December 2014, 05:01 PM ET
On Oct. 31, 2014, the space tourism company Virgin Galactic suffered a serious accident during a SpaceShipTwo test flight, resulting in the loss of the spacecraft. One pilot died in the crash, while another suffered injuries. See our full coverage.
19 December 2014, 04:31 PM ET
The private spaceflight company SpaceX won't be flying a mission to the International Space Station until early 2015.SpaceX is now expected to launch its fifth official mission to the orbiting outpost under a contract with NASA on Jan. 6.
19 December 2014, 03:03 PM ET
World View has just released new footage from a recent unmanned flight, offering a glimpse at the vistas future customers might experience during a sunrise voyage.
19 December 2014, 12:02 PM ET
An ambitious private space exploration project that aims to land a moon-drilling probe on the lunar surface by 2024 now has the money it needs, thanks to a crowdfunding effort that raised more than $1 million.
18 December 2014, 07:14 PM ET
A recent payload flight by commercial balloon spaceflight company World View Enterprises captured the amazing imagery. The company will be selling "first-class" capsule seats to fly at an altitude of 100,000 feet for an hour or two.
18 December 2014, 01:56 PM ET
A NASA astronaut is getting ready to be the first American to spend a continuous year in space, and he is excited.
18 December 2014, 11:34 AM ET
The Indian Space Research Organisation (ISRO) launched its new Geostationary Satellite Launch Vehicle Mark III (GSLV Mk-III) carrying the Crew Module Atmospheric Re-entry Experiment (CARE) on Dec. 18, 2014 local time from Satish Dhawan Space Center.
18 December 2014, 11:00 AM ET
It won't be easy, but the private spaceflight company SpaceX will attempt to bring a stage of its Falcon 9 rocket back from space and land it on a floating platform in the Atlantic Ocean during an audacious test on Jan. 6.
18 December 2014, 08:16 AM ET
Excerpt from the book "New Space Frontiers: Venturing into Earth Orbit and Beyond."
18 December 2014, 07:40 AM ET
Orbital has contracted with Russia’s Energomash to provide RD-181 engines to power the first stage of Orbital’s Antares rocket, replacing
18 December 2014, 07:39 AM ET
Private spaceflight will succeed, if history is any guide.
18 December 2014, 03:34 AM ET
Top vehicles from private spaceflight.
17 December 2014, 06:16 PM ET
NASA has postponed deciding whether to attempt to capture an entire asteroid, or just a piece of one, by 2025 until at least early 2015. Both options are feasible, a senior NASA official said Wednesday (Dec. 17).
17 December 2014, 04:30 PM ET
See photos of India's new Geostationary Satellite Launch Vehicle Mark-III rocket and the CARE crew capsule prototype in these photos from the Indian Space Research Organisation. The test launch is set for December 2014.
17 December 2014, 04:12 PM ET
Already running on fumes as its fuel reserves dwindled, Venus Express' most recent attempts at maintaining its altitude fell short.
17 December 2014, 03:50 PM ET
It's now approaching summer in the presumed location of Europe's Philae lander on a comet, so the washing-machine-size probecould soon access enough energy to open its eyes and start working again, Rosetta mission scientists said.
17 December 2014, 03:09 PM ET
Adam Steltzner and the rest of the Mars Science Laboratory team eagerly anticipate the rover's landing on Mars in this exclusive clip from "Red Planet Rover". The show premieres on the Discovery Channel on Dec. 18th, 2014 at 10pm EST/PST.
16 December 2014, 06:22 PM ET
Space creates an important laboratory to fight against cancer on the ground.
16 December 2014, 02:50 PM ET
Although methane had been discovered before from space, NASA's Curiosity rover made the first in-situ discovery of rapid changes in methane concentration from the surface of Mars.
16 December 2014, 10:09 AM ET
NASA’s Voyager 1recorded three 'waves' of plasma set in motion by coronal mass ejections from our Sun. Plasma interacting with ionized matter creates energy fluctuations which have been converted to sound by researchers.
15 December 2014, 11:05 AM ET
Raw footage of early “nuclear pulse propulsion" tests aimed at inexpensive interplanetary travel; essentially nuclear bombs driving spacecraft via Newton’s laws. 1963’s Test Ban Treaty damped further experimentation.
15 December 2014, 08:20 AM ET
It has been 60 years since Col. John P. Stapp sailed down a test track, strapped in tight onboard Sonic Wind Rocket Sled 1.
14 December 2014, 07:58 AM ET
"Sepideh: Reaching for the Stars" follows a young Iranian woman who dreams of becoming an astronaut but faces obstacles from her conservative country.
13 December 2014, 12:16 PM ET
From what looks like a freshly baked pie on Mars to a great shot of Dwarf Planet Ceres, don't miss these amazing space images of the week for Dec. 13, 2014.
12 December 2014, 03:22 PM ET
A new laser link with the International Space Station could do what optical fiber has done for internet access on Earth -- by turning orbital communications from painfully slow dial-up to blazing-fast broadband.
12 December 2014, 03:20 PM ET
NASA will receive $18 billion for 2015, more than a half a billion dollars above the Obama administration’s original request, under the terms of an omnibus spending bill released late Dec. 9.
12 December 2014, 03:01 PM ET
NASA is "all about that space, 'bout that space (space travel)" in a new music video recently released by the space agency.
12 December 2014, 12:00 PM ET
Where did Earth's water come from? Comets? Asteroids? New data from the Rosetta spacecraft orbiting Comet 67P/Churyumov-Gerasimenko shows that comets — once thought responsible for seeding Earth with water — might not have delivered water to the planet.
12 December 2014, 11:00 AM ET
If all goes according to plan, Dragon will blast off atop SpaceX's Falcon 9 rocket from Cape Canaveral Air Force Station in Florida at 1:20 p.m. EST (1820 GMT) on Dec. 19 and arrive at the orbiting lab two days later.
12 December 2014, 07:55 AM ET
These maps shine a new light on Saturn's six major icy moons — Mimas, Enceladus, Tethys, Dione, Rhea and Iapetus.
11 December 2014, 02:31 PM ET
What would you send to the moon? A precious family heirloom? A lock of hair? For a price, you could send a small object of your choosing to the lunar surface.
11 December 2014, 01:22 PM ET
11 December 2014, 09:32 AM ET
NASA's Space Launch Systems (SLS) and Orion capsule are just the first 2 Boeing 'infused' steps to humans on Mars in the 2030's. The aerospace giant explains how the rest of the 'bridge' to the Red Planet could be built.