07 August 2015, 06:01 AM ET
Former NASA astronaut Pamela Melroy recently shared her experiences and insights about spaceflight and exploration.
06 August 2015, 08:51 PM ET
A comet carrying a robotic hitchhiker is barreling toward its closest approach to the sun next week, and you can learn about the icy wanderer's highly anticipated "perihelion passage" during a webcast early Saturday morning (Aug. 8).
06 August 2015, 04:11 PM ET
Astronaut Jerry Ross, who shares the world record for the most flights into outer space, has been decorated with military and NASA medals, awarded an honorary doctorate and enshrined into a hall of fame. But Ross' next accolade may be a nod above them all
06 August 2015, 02:30 PM ET
With or without 3D glasses, a newly released video tour of Ceres offers a new perspective on the dwarf planet's dramatic and diverse surface.
06 August 2015, 01:30 PM ET
NASA formally notified Congress Aug. 5 that it is issuing a $490 million extension of an existing contract to purchase Soyuz seats from the Russian space agency, saying that it was forced to do so because of cuts in the agency’s commercial crew program.
06 August 2015, 10:45 AM ET
The U.S. Senate approved a bill Aug. 4 that extends two key provisions of commercial launch law and authorizes operations of the ISS beyond 2020.
06 August 2015, 07:00 AM ET
One year ago today (Aug. 6), Europe's Rosetta spacecraft slipped into orbit around a comet and began making observations that would reshape researchers' ideas about these icy leftovers from the solar system's early days.
05 August 2015, 04:15 PM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in July 2015.
05 August 2015, 01:40 PM ET
NASA's Swamp Works development team wants to put drones on Mars, distant moons and the airless, sunless landscapes on asteroids.
05 August 2015, 01:01 PM ET
For the first time, astronomers have spotted a protogalactic disk — a giant whirling cloud of gas that gives birth to a galaxy — and the discovery could reveal clues about how galaxies form.
05 August 2015, 01:00 PM ET
Re-entry is ongoing for the crew that spent eight months in Hawaii simulating a Mars mission.
05 August 2015, 09:53 AM ET
Escape Dynamics of Colorado is developing remotely powered thrust systems for trans-atmospheric spacecraft. Offloading the mass of fuel and large engines could empower “single-stage-to-orbit" reusable vehicles.
05 August 2015, 07:00 AM ET
Curiosity landed on the night of Aug. 5, 2012, pulling off a dramatic and unprecedented touchdown with the aid of a rocket-powered "sky crane" that lowered the 1-ton rover gently to the Martian surface via cables.
05 August 2015, 07:00 AM ET
NASA has given the go-ahead to a mission called Lunar IceCube, a public-private partnership that will send a tiny cubesat to do water-ice prospecting from an elliptical orbit around the moon.
04 August 2015, 03:59 PM ET
Six people spent two-thirds of a year in the HI-SEAS (Hawaii Space Exploration Analog and Simulation) analog pretending to be Martian astronauts. Here's a look inside the science, work and fun they had during their time on "Mars."
04 August 2015, 03:43 PM ET
The new image captures the satellites Dione and Mimas, with Saturn a blurry behemoth looming in the background. Sunlight is hitting the moons at such an angle that they seem to be staring up at the ringed planet.
04 August 2015, 12:19 PM ET
Two and a half years after an expedition led by the CEO of Amazon.com raised them off the seafloor, the historic rocket engine parts that launched NASA astronauts on at least three missions to land on the moon are now preserved for museum display.
04 August 2015, 11:31 AM ET
A 21-foot-long articulate robotic arm has landed at Marshall Space Flight Center to create parts for the Space Launch System rocket.
04 August 2015, 07:30 AM ET
The New Horizons spacecraft's flyby of Pluto on July 14 is revolutionizing researchers' understanding of the faraway dwarf planet. The epic encounter could also help spur future ambitious exploration missions, mission team members say.
04 August 2015, 07:04 AM ET
NASA's Origins-Spectral Interpretation-Resource Identification-Security-Regolith Explorer spacecraft, or OSIRIS-REx, is progressing through assembly, test and launch operations (ATLO) at a Lockheed Martin Space Systems Company facility in Denver.
03 August 2015, 05:56 PM ET
After an accidental fire in December ripped apart The Mars Society's greenhouse at a facility in rural Utah, the group is asking the public to help raise money for a new one.
03 August 2015, 05:30 PM ET
Broomfield, Colorado-based Escape Dynamics announced July 17 it carried out a small-scale test in the laboratory of its beamed microwave thruster. In that test, the company beamed microwave energy to a thruster, heating helium propellant and generating a
03 August 2015, 05:22 PM ET
Just two days after the second full moon of July created a so-called blue moon, a NASA photographer captured some stunning views of the International Space Station zipping across the lunar landscape.
03 August 2015, 05:16 PM ET
NASA has selected three finalists for its next Small Explorer astrophysics mission and two finalists for the even smaller Explorer Missions of Opportunity Line, the U.S. space agency said July 30,
03 August 2015, 04:02 PM ET
The team behind NASA's New Horizons mission, which performed the first-ever Pluto flyby last month, has named some Charon craters after characters from the "Star Wars" and "Star Trek" franchises, including Darth Vader and Capt. James T. Kirk.
03 August 2015, 02:48 PM ET
The MAPHEUS-5 sounding rocket was launched from the Esrange Space Center in Northern Sweden on June 30th, 2015, reaching a height of 161 miles (259 kilometers). It carried 5 experiment modules that were successfully recovered after touchdown.
03 August 2015, 10:23 AM ET
Cosmonaut Gennady Padalka captured imagery of the second full moon of the month, aka Blue Moon, on July 31st, 2015. It is seen setting behind Earth.
31 July 2015, 06:55 PM ET
From an amazing view of Africa from space to a tint galaxy bursting with stars, don't miss these stunning space images.
31 July 2015, 05:19 PM ET
A 16-year-old New York City-area student will one day see her DNA experiment launched to the International Space Station. The experiment was designed by Anna-Sophia Boguraev of Bedford, New York.
31 July 2015, 02:17 PM ET
NASA has a new launch pad for small rockets, and it's open for business to companies hoping to send light satellites into the final frontier.
31 July 2015, 08:51 AM ET
Russia has formally notified its International Space Station partners that it will continue in the partnership at least to 2024, ending several months of doubts that were fueled by the current poor state of Russia’s relations with the West.
31 July 2015, 08:45 AM ET
XCOR Aerospace, a company developing a two-seat suborbital spaceplane for tourism and research applications, plans to raise its ticket prices by 50 percent next year, the company announced July 16.