28 May 2014, 11:12 AM ET
The private spaceflight company Orbital Sciences Corp. has delayed the launch of its second robotic resupply mission to the International Space Station to fully investigate a malfunction that caused the failure of a rocket engine on a launch pad.
28 May 2014, 07:21 AM ET
Three new crewmembers are set to launch on a quick trip to the International Space Station, and you can watch them blastoff live online today (May 28).
27 May 2014, 04:07 PM ET
NASA's giant new rocket, the Space Launch System, and its Orion space capsule are making progress toward two key test flights in the upcoming years. See how far along NASA's new rocket and spacecraft are, and what's next for the U.S. space vehicles.
27 May 2014, 06:50 AM ET
The future of manned space exporation is bright, according to a former astronaut and a NASA engineer. Humans may one day tread across some of the alien worlds that today can be studied only at a distance.
27 May 2014, 06:46 AM ET
Several upcoming missions will harness the subtle push of sunlight, using gossamer 'solar sails' to cruise through the heavens like boats through the sea. Such propellant-free propulsion could help humanity explore the solar system and beyond.
26 May 2014, 10:54 AM ET
What was your favorite space news story of the last week?
26 May 2014, 10:30 AM ET
From a huge new Mars crater to a new supernova, don't miss these amazing space images of the week for May 25, 2014.
23 May 2014, 02:34 PM ET
DiCaprio plans to fly aboard Virgin Galactic's suborbital SpaceShipTwo vehicle in 2015. A seat on the same flight with the actor sold for nearly $1 million Thursday (May 22) at the annual amfAR auction near Cannes, France.
23 May 2014, 01:03 PM ET
The joystick used by astronaut David Scott to land the Apollo 15 lunar module 'Falcon' on the moon 43 years ago this July has sold for more than $500,000. The sale is believed to be the highest price ever paid at auction for part of a NASA spacecraft.
23 May 2014, 12:12 PM ET
Water was discovered in the Space Exploration Technologies Corp. Dragon spacecraft that recently returned to Earth from a month-long stay at the international space station, but so far as NASA knew May 21, none of the agency’s cargo was damaged.
23 May 2014, 11:56 AM ET
Edward H. White II became the first American to step outside his spacecraft and let go.
22 May 2014, 04:54 PM ET
Next Thursday (May 29), the company will unveil the crewed version of its Dragon spacecraft, which SpaceX hopes will be ferrying people to and from the International Space Station a few short years from now.
22 May 2014, 02:28 PM ET
The crew of the U.S.S. Kearsarge spell out the words "Mercury 9" on the deck.
22 May 2014, 11:34 AM ET
The private spaceflight company SpaceX is building a giant rocket called the Falcon Heavy. See images of the planned Falcon Heavy heavy-lift booster in this Space.com gallery.
21 May 2014, 06:08 PM ET
An astronaut aboard the International Space Station floats before a bank of windows, holding open a children's book and pointing at a drawing of the orbiting outpost. The scene marks the start of the first “Story Time From Space."
21 May 2014, 01:09 PM ET
An astronaut examines the protective material on his Mercury capsule.
21 May 2014, 08:33 AM ET
Space.com shadowed a group of students from the University of California, San Diego who were selected by NASA to test an experiment on board a zero-gravity flight.
19 May 2014, 11:30 AM ET
Billionaire Elon Musk says his private spaceflight company SpaceX has made some progress toward a permanent colony on Mars — a long-time goal in the entrepreneur's push to help make humanity a multi-planet species.
19 May 2014, 11:04 AM ET
While it was never an official NASA program, FLATs helped pave the way for the first female Shuttle pilot.
19 May 2014, 10:38 AM ET
Wubbo Ockels, who in 1985 became the first Dutch citizen to fly into space, died Sunday (May 18), the European Space Agency (ESA) confirmed. He was 68.
18 May 2014, 03:08 PM ET
SpaceX's robotic Dragon capsule splashed down in the Pacific Ocean today (May 18), bringing more than 1,000 lbs. of science cargo back to Earth from the International Space Station.
18 May 2014, 09:40 AM ET
SpaceX's unmanned Dragon capsule departed the International Space Station today, putting it on a path back to Earth after about one month attached to the orbiting outpost.
16 May 2014, 08:46 PM ET
What was your favorite space news story of the last week?
16 May 2014, 08:02 PM ET
From two neutron stars merging to Jupiter's shrinking spot, don't miss these amazing space images of the week for May 17, 2014.
16 May 2014, 07:24 PM ET
From the moon occulting Saturn to the earthgrazer meteor, don't miss these spectacular objects to watch in the night sky.
16 May 2014, 05:44 PM ET
SpaceX's robotic Dragon cargo capsule is scheduled to leave the International Space Station and splash down intact in the ocean on Sunday (May 18), and you can watch it live online.
16 May 2014, 07:21 AM ET
The bold asteroid-redirect plan may also feature the first in-space test of the "enhanced gravity tractor" technique, which could help steer dangerous space rocks away from Earth.
15 May 2014, 05:06 PM ET
Three members of the House Science Committee have sent a letter to NASA Administrator Charles Bolden asking him to explain the current state of the partnership in light of recent comments made by a senior Russian official.
15 May 2014, 01:51 PM ET
Astronaut John Glenn inspects artwork to be painted on his Mercury spacecraft.
15 May 2014, 12:30 PM ET
Spaceflight industry experts and supporters are gathering in the City of Angels this week to discuss the future of human spaceflight during a conference featuring Apollo 11 moonwalker Buzz Aldrin and Elon Musk, the billionaire founder of SpaceX.
15 May 2014, 07:30 AM ET
Whenever humans finally touch down on Mars, they'll be following in the footsteps of many brave robotic pioneers. Unmanned missions to the Red Planet have greatly increased scientists' and engineers' ability to eventually pull off a manned Mars effort.
15 May 2014, 02:57 AM ET
For astronauts flying in space, spacesuits are a must-have accessory. But spacesuit technology has come a long way since the dawn of human spaceflight. Tonight, MIT professor Dava Newman will discuss her BioSuit spacesuit design and you can watch it live.