21 September 2014, 07:30 AM ET
NASA's MAVEN spacecraft, which will study the atmosphere of Mars like never before, arrives at the Red Planet tonight (Sept. 21) and you can watch it live online. Watch the live webcast beginning at 9:30 p.m. ET (0130 GMT).
21 September 2014, 03:40 AM ET
SpaceX plans to launch the fourth Commercial Resupply Services to the International Space Station from Cape Canaveral, Florida, on Sept. 21, 2014.
21 September 2014, 02:30 AM ET
SpaceX's Dragon capsule soared into orbit on a delivery run to the International Space Station with more than 2.5 tons of astronaut supplies, science experiments and other cargo, including 20 mice and the first 3D printer built for space.
20 September 2014, 08:19 AM ET
After streaking through space at mind-numbing speeds for 10 months, NASA's MAVEN probe and India's Mars Orbiter Mission (MOM) spacecraft will have to slam on the brakes if they hope to be captured into orbit Sunday and Tuesday.
20 September 2014, 03:00 AM ET
Thick clouds and rain forced the private spaceflight company SpaceX to postpone the planned launch of an unmanned Dragon cargo ship for NASA on Saturday (Sept. 20). The mission will now launch to the International Space Station on Sunday, Sept. 21.
19 September 2014, 03:24 PM ET
A privately built SpaceX Dragon capsule is counting down to launch a big haul of cargo into space for NASA early Saturday (Sept. 20), and you can watch the liftoff live online. Here's how.
19 September 2014, 12:44 PM ET
The first-ever item to be 3D printed in space is being kept a well-guarded secret. The first 3D printer designed to operate in zero-g is set to launch to the space station to learn if 3D printing is viable in orbit. But what will it print first?
19 September 2014, 11:39 AM ET
India's Mars Orbiter Mission marks the country's first mission to the Red Planet and first entry into interplanetary spaceflight. The unmanned Mars Orbiter Mission, or MOM, will map the surface of the Red Planet.
19 September 2014, 10:00 AM ET
Dragon will lift off atop SpaceX's Falcon 9 v1.1 rocket at 2:16 a.m. EDT Saturday from Florida. Dragon will fly nearly parallel to the U.S. East Coast, so the launch should be visible in varying degrees along much of the Eastern Seaboard.
19 September 2014, 07:00 AM ET
Why do NASA and other space agencies keep sending robotic probes to Mars? Because the planet is close to Earth, may be able to support life and is a chief long-term target for human exploration.
18 September 2014, 04:16 PM ET
For spaceflight to truly take off, public-private partnerships will be critical.
18 September 2014, 03:29 PM ET
SpaceX is due to bring some strange things to the space station this weekend: the first 3D printer to leave the plant, a batch of mutant fruit flies, a wind-watching radar, 20 mice and a mouse X-ray machine.
18 September 2014, 01:16 PM ET
The secretive private spaceflight company Blue Origin and the launch provider United Launch Alliance announced Wednesday (Sept. 17) that they're teaming up on a new rocket engine venture. Today, you can watch the joint news conference.
18 September 2014, 11:30 AM ET
SpaceX's fourth cargo mission to the International Space Station includes some mice, the first 3D printer in space and other weird science. See our take on the cargo in this Space.com infographic.
18 September 2014, 06:00 AM ET
NASA's MAVEN probe is slated to arrive at the Red Planet around 9:50 p.m. EDT Sunday. The spacecraft's handlers are reporting no problems during the home stretch of its 10-month space journey.
18 September 2014, 06:00 AM ET
For the second time this year, a NASA jet used to ferry the space shuttles across the country has been put on public display. The youngest modified-Boeing 747 Shuttle Carrier Aircraft was towed to the Joe Davies Heritage Airpark in California.
17 September 2014, 05:44 PM ET
Rocketing through gloomy skies with a payload clouded in a veil of secrecy, a United Launch Alliance Atlas 5 rocket fired away from Cape Canaveral on Tuesday to deploy a satellite thousands of miles above Earth.
17 September 2014, 04:00 PM ET
NASA astronauts should be able to hitch a ride to space aboard space taxis built by private two companies in the next three years, and reactions are strong.
17 September 2014, 03:44 PM ET
United Launch Alliance (ULA) and the private spaceflight company Blue Origin are going to fund the development of Blue Origin's new BE-4 liquid rocket engine, representatives with both companies revealed today (Sept. 17).
17 September 2014, 02:29 PM ET
The Mars Atmosphere and Volatile EvolutioN (MAVEN) mission will study how the Mars’ atmosphere has changed over time, from a highly elliptical orbit peaking at more than 3800 miles from the surface.
17 September 2014, 09:31 AM ET
The CST-100 spacecraft will be put through test flights and eventually fly crewed operational missions to the International Space Station. Boeing's contract with NASA is in its final phase of certification.
17 September 2014, 07:47 AM ET
Tapping SpaceX and Boeing to fly American astronauts to and from the International Space Station should free NASA up to work on sending people to Mars, agency officials say.
17 September 2014, 12:05 AM ET
The Wide Field Imager (WFI) on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile captured this space wallpaper of dark cloud Lupus 4 blotting out background stars.
16 September 2014, 05:30 PM ET
The space agency has been working with industry partners to develop a crew transport systems since 2010. The work from the past 4 years are highlighted.
16 September 2014, 05:04 PM ET
The SpaceX Dragon Version 2 will be put through test flights and eventually fly crewed operational missions to the International Space Station. SpaceX's contract with NASA is in its final phase of certification. Full Story: http://goo.gl/5EQVlY
16 September 2014, 04:09 PM ET
NASA has tapped the private spaceflight companies SpaceX and Boeing to build and test commercial spacecraft for ferrying American astronauts to and from the International Space Station.
16 September 2014, 02:20 PM ET
Who will be responsible for flying Americans to the International Space Station by 2017? Today, NASA could announce which private spaceflight company (or companies) officials have selected to move ahead toward developing an astronaut taxi service.
16 September 2014, 10:47 AM ET
NASA's new 'Flight Operations' emblem has a long history dating back decades. As now displayed in Mission Control, NASA's 'Flight Operations' logo succeeds the prior 'Mission Operation' insignia.
16 September 2014, 10:28 AM ET
NASA is expected to make a huge human spaceflight announcement today during a news briefing, and you can watch it live online.
16 September 2014, 07:04 AM ET
Look out, astronauts – your companion robot on the International Space Station is mobile! NASA's Robonaut 2 has received a new set of legs to allow it to do repairs both inside and outside the station, eventually.
16 September 2014, 07:00 AM ET
The crew of NASA Extreme Environment Mission Operations (NEEMO) 19 lived in the Aquarius lab, which is located 62 feet (18 meters) beneath the waves just off the coast of Key Largo, Florida. Their week-long mission wrapped up Sunday (Sept. 14).
15 September 2014, 02:59 PM ET
Andy Sullivan won a free ride aboard XCOR Aerospace's Lynx rocket plane after acing the par-3 15th hole Sunday (Sept. 14) during the final round of the KLM Open in the Netherlands.