27 April 2015, 02:28 PM ET
Call it a rocket builder’s Vulcan death grip. There appears to be a bit of a row between United Launch Alliance's just announced new Vulcan rocket and the Paul Allen Vulcan Aerospace enterprise, the big and bold Stratolaunch aircraft.
24 April 2015, 04:53 PM ET
An interview with photographer Michael Soluri, who chronicled the leadup to the last servicing mission to the Hubble Space Telescope.
24 April 2015, 07:00 AM ET
SpaceX aims to subject a Dragon test vehicle to a "pad abort" trial at Florida's Cape Canaveral Air Force Station as early as May 5. The unmanned test will demonstrate how Dragon might respond in the event of a launch problem.
23 April 2015, 01:00 PM ET
SpaceX's daring reusable rocket test last week came up just short because of an issue with a 'throttle valve,' company founder and CEO Elon Musk said.
21 April 2015, 07:03 AM ET
Planetary scientist Paul Spudis has long been calling for humanity to return to the moon. He tells Space.com why manned exploration of Earth's nearest neighbor is so important.
19 April 2015, 09:20 AM ET
SpaceX nearly pulled off an unprecedented rocket landing during a cargo launch to the International Space Station and NASA's New Horizons probe returned its first color image of Pluto. Here's a look at Space.com's top stories of the week.
18 April 2015, 01:20 PM ET
From the first color image of Pluto to an awesome new SpaceX Video, don't miss these amazing space images of the week for April 19, 2015.
17 April 2015, 07:10 AM ET
Italian astronaut Samantha Cristoforetti grappled Dragon with the space station's huge robotic arm at about 7:00 a.m. EDT (1100 GMT) Friday (April 17), securing the commercial capsule to the Earth-facing port of the Harmony module.
17 April 2015, 07:00 AM ET
SpaceX, United Launch Alliance, Blue Origin and other spaceflight firms are working to make reusable launch systems a reality.
16 April 2015, 03:00 PM ET
Experiments for the International Space Station's first one-year crew will be among Dragon's precious cargo when it arrives at the orbiting complex this week.
16 April 2015, 02:39 PM ET
The International Space Station is about receive perhaps its most important upgrade to date: a microgravity espresso maker!
16 April 2015, 07:30 AM ET
Billionaire Paul Allen has formed a new company to help make spaceflight more affordable and efficient. Vulcan Aerospace, which was unveiled Monday, will spearhead the space projects of Vulcan, Inc.
15 April 2015, 05:47 PM ET
A new video shows the first stage of SpaceX's Falcon 9 rocket crashing and burning after nearly pulling off an unprecedented touchdown on an unmanned "drone ship" in the Atlantic Ocean.
15 April 2015, 04:41 PM ET
The second attempted ocean barge landing of the first stage of the SpaceX rocket touched down on the barge but a little too hard. The rocket successfully launched the Dragon cargo ship to the Space Station.
15 April 2015, 07:00 AM ET
A stunning new video taken by a chase plane shows just how close SpaceX came to pulling off a historic rocket landing Tuesday (April 14) during the launch of its Dragon cargo capsule toward the International Space Station.
14 April 2015, 07:21 PM ET
Skywatchers across parts of the United States and southern Canada have a chance to see a Dragon capsule built by the private spaceflight company SpaceX 'chase' the International Space Station across the sky this week ahead of a Friday morning rendezvous.
14 April 2015, 04:30 PM ET
SpaceX's Falcon 9 rocket launched the company's Dragon cargo capsule toward the International Space Station today (April 14) and then returned to Earth, nearly pulling off an unprecedented landing on a floating platform in the Atlantic Ocean.
14 April 2015, 06:47 AM ET
United Launch Alliance (ULA), the company behind the Atlas and Delta rockets, unveiled Vulcan, its new launch vehicle system. The Vulcan rocket features new engines and a plan for reuse that involves mid-air recovery.
13 April 2015, 04:35 PM ET
The private spaceflight company SpaceX called off the launch of a Dragon spaceship and an ambitious rocket landing try on Monday (April 13) due to bad weather conditions. SpaceX hopes to try again on Tuesday, April 14, at 4:10 p.m. EDT.
13 April 2015, 02:00 PM ET
In April 2015, the private spaceflight company SpaceX will attempt to land its Falcon 9 rocket on a ocean platform after launching the sixth Dragon cargo mission for NASA. See photos from the Commercial Resupply Service 6 mission here.
13 April 2015, 07:00 AM ET
SpaceX aims to launch its robotic Dragon cargo capsule toward the International Space Station Monday at 4:33 p.m. EDT, then bring the first stage of its Falcon 9 rocket back for a soft landing on an unmanned ship in the Atlantic. Watch it live here.
12 April 2015, 09:39 PM ET
All systems are go for the Monday launch of a SpaceX Dragon space capsule carrying NASA cargo the International Space Station on Monday (April 13), a mission that will also include a novel reusable rocket landing attempt.
12 April 2015, 10:12 AM ET
A total lunar eclipse wowed skywatchers and two private spaceflight companies tackled big challenges. These, and more, are Space.com's picks for the best space stories for the week of April 12.
12 April 2015, 09:34 AM ET
From a cosmic garden to fishing for space junk, don't miss these amazing space images of the week for April 12, 2015.
10 April 2015, 07:00 AM ET
SpaceX aims to bring the first stage of its Falcon 9 rocket back to Earth for a soft touchdown on an unmanned "spaceport drone ship" in the Atlantic Ocean after the booster sends Dragon on its way toward the orbiting lab Monday (April 13).
07 April 2015, 06:26 PM ET
Blue Origin, the secretive private spaceflight company founded by Amazon CEO Jeff Bezos, will begin flight tests this year of an innovative new spaceship — a milestone made possible by the firm's rocket engine success.
05 April 2015, 10:15 AM ET
What were our favorite stories of the week? This week had something for every kind of space fan. Find out our favorite stories of the past seven days below:
04 April 2015, 06:25 PM ET
From strange 'Hollows' on Mercury to eerie green space clouds, don't miss these amazing space images of the week for April 4, 2015.
02 April 2015, 07:04 AM ET
The awards set up NASA partnerships with 10 aerospace companies and one public university to develop tech in three different areas: advanced electric propulsion, human habitation and small satellites.
02 April 2015, 07:00 AM ET
While so many space companies are focused on building rockets and spacecraft, could there room for a little style in orbit?
01 April 2015, 12:13 PM ET
A privately built spacecraft shaped like a space shuttle could land at a conventional airport, according to its builder, the Sierra Nevada Corporation.
01 April 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in SPACE.com's gallery of cosmic images posted in March 2015.