17 July 2015, 06:00 AM ET
On July 17, 1975, NASA astronauts aboard an Apollo spacecraft linked up with cosmonauts in their Soyuz capsule. The Apollo-Soyuz Test Project meetup showed that two different space vehicles could dock in orbit, but it had diplomatic consequences as well.
12 July 2015, 02:47 AM ET
NASA's New Horizons probe captured amazing images of Pluto, scientists revealed details about a proposed superpowerful space telescope and NASA announced its first four commercial-crew astronauts. Here are Space.com's top stories of the week.
11 July 2015, 01:16 AM ET
From gorgeous views of Pluto and its largest moon Charon to an amazing shot of the International Space Station crossing the moon's face, don't miss these amazing space images.
10 July 2015, 06:30 PM ET
The Falcon 9 exploded less than 3 minutes after blasting off on June 28, scuttling SpaceX's seventh contracted resupply flight to the orbiting lab for NASA. The consequences of the mishap will probably be substantial for the company, Musk said.
10 July 2015, 04:01 AM ET
A pre-dawn celestial pageant well worth getting up early to see will take place Sunday morning (July 12), with a lovely crescent moon in close proximity to one of the most beautiful star clusters.
09 July 2015, 03:11 PM ET
SpaceX founder and CEO Elon Musk says data collected during the June 28 explosion of a Falcon 9 rocket is "difficult to interpret," and that the cause of the explosion is not yet understood.
09 July 2015, 12:18 PM ET
NASA has named its first commercial crew 'cadre' — the four astronauts who will train to fly aboard the first test flights of Boeing's CST-100 and SpaceX's Dragon spacecraft. The space agency assigned Bob Behnken, Eric Boe, Doug Hurley and Sunita Williams
09 July 2015, 07:00 AM ET
As the International Space Station (ISS) zoomed over Australia on June 30, Dylan O'Donnell captured this amazing view of the orbiting lab crossing in front of the moon.
07 July 2015, 07:01 AM ET
Interstellar travel could be humanity's greatest challenge — or humanity's greatest mistake. A Q&A with author Kim Stanley Robinson on his new novel, "Aurora," explores the feasibility of interstellar travel, artificial intelligences, and storytelling.
06 July 2015, 07:50 AM ET
Tape Gemini, along with another project, Tape Wormhole, made their debuts at the Liberty Science Center on June 25.
06 July 2015, 07:50 AM ET
Visitors to the Liberty Science Center in New Jersey can crawl through a space-time wormhole and explore a scale model of a Gemini capsule — both made from rolls of translucent packing tape.
05 July 2015, 03:15 AM ET
Russia's Progress 60 freighter docked with the orbiting lab at 3:11 a.m. EDT (0711 GMT) Sunday, successfully delivering more than 6,100 lbs. (2,770 kilograms) of food, water, fuel and other supplies.
03 July 2015, 07:00 AM ET
NASA astronaut Scott Kelly and cosmonauts Mikhail Korniekno and Gennady Padalka don't have any special plans for the Fourth of July aboard the International Space Station — though Kelly will try to see some the fireworks displays down on Earth.
03 July 2015, 01:10 AM ET
Russia's Progress 60 freighter launched toward the orbiting lab atop a Soyuz rocket at 12:55 a.m. EDT Friday from Baikonur Cosmodrome in Kazakhstan, starting its resupply run off on the right foot after two consecutive cargo-mission failures.
02 July 2015, 12:20 PM ET
The Houston airport where astronauts have departed on training flights for more than 50 years is now host to the United States' 10th commercial spaceport. Ellington Airport was granted a launch site license by the Federal Aviation Administration (FAA).
02 July 2015, 07:00 AM ET
After "sleeping" for 26 years, a black hole's activity lit up astronomical observatories on June 15,and it's still going on today.
02 July 2015, 12:00 AM ET
Spiral galaxy Messier 96 shows its asymmetrical shape.
01 July 2015, 03:00 PM ET
Russia's Progress 60 freighter is scheduled to blast off atop a Soyuz rocket from Baikonur Cosmodrome in the central Asian nation of Kazakhstan at 12:55 a.m. EDT Friday (0455 GMT; 10:55 a.m. local time in Kazakhstan).
01 July 2015, 11:05 AM ET
While NASA has stated it will rebound from the loss of ISS cargo, space analysts contacted by Space.com have flagged a number of wait-and-see ripple effects stemming from the accident.
01 July 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in June 2015.
30 June 2015, 11:20 AM ET
It's a record! As of June 29, Russian cosmonaut Gennady Padalka has spent a total of 804 days in space — more than any other human in history.
30 June 2015, 07:00 AM ET
The first living being sent to Mars by humans may not be some lucky astronaut, or even a monkey, but a microorganism like cyanobacteria, sent there to create oxygen for human explorers.
29 June 2015, 02:55 PM ET
If Sunday's rocket mishap had occurred during a crewed launch of the manned "Dragon V2" capsule, it likely would not have caused any fatalities, SpaceX President and Chief Operating Officer Gwynne Shotwell said.
29 June 2015, 07:30 AM ET
Artifacts recovered from the wreckages of the Challenger and Columbia space shuttles are for the first time now on public display, as part of a powerful new exhibit that honors the two spacecraft and their fallen astronaut crewmembers.
29 June 2015, 07:30 AM ET
The failure of SpaceX's Falcon 9 rocket during a cargo launch Sunday shouldn't have a big impact on the company's ability to fly astronauts to orbit and back a few years from now, NASA officials said.
28 June 2015, 04:03 PM ET
The three crewmembers currently aboard the International Space Station are in no danger of running out of crucial supplies despite today's failure of a SpaceX cargo mission to the orbiting lab, NASA officials said.
28 June 2015, 11:38 AM ET
An exoplanet apparently possesses a huge cometlike tail, NASA's New Horizons spacecraft snapped amazing images of Pluto and a solar storm supercharged northern lights displays. Here's a look at Space.com's top stories of the week.
28 June 2015, 10:55 AM ET
From the best-ever looks at Pluto and its largest moon Charon to gorgeous views of a supercharged northern lights display, don't miss these amazing space images.
28 June 2015, 10:40 AM ET
An unmanned SpaceX cargo mission crashed back to Earth today (June 28), marking the third failure of a resupply flight to the International Space Station in the past eight months. SpaceX and NASA officials still aren't sure exactly what happened.
28 June 2015, 10:36 AM ET
The latest Dragon spacecraft cargo run to the International Space Station blasted off from the Cape Canaveral Air Force Station in Florida on June 28th, 2015 and exploded during flight.
28 June 2015, 03:15 AM ET
On June 28, 2015, the private spaceflight company SpaceX launched its seventh unmanned cargo mission to the International Space Station for NASA. The mission failed shortly after liftoff.
26 June 2015, 06:19 PM ET
"The Astronaut Wives Club," ABC's 10-part docu-drama about the spouses of America's first spacemen, entered orbit with its second episode Thursday (June 25). But how closely did "Protocol" follow the real space history?