08 April 2014, 07:00 AM ET
Scientists have begun realizing that spaceflight can cause serious and perhaps permanent vision problems in astronauts. NASA is working hard to understand the issue, which could present a major hurdle to mounting manned missions to Mars.
07 April 2014, 03:14 PM ET
NASA should set up a clear set of ethical rules regarding the health of astronauts on long-duration spaceflights — such as a trip to Mars — in the near future, according to a panel of health and ethics experts.
07 April 2014, 10:01 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in March 2014.
06 April 2014, 11:15 AM ET
What was your favorite space news story of the last week?
05 April 2014, 04:04 PM ET
From images of a U.S. Air Force Defense Meteorological Satellite Program payload launch into space to an amateur astronomer’s famous moon shot, don't miss these amazing space images of the week for April 5, 2014.
04 April 2014, 08:09 PM ET
To survive on Mars, astronauts may need to rely on an usual diet.
04 April 2014, 04:00 PM ET
NASA officials have suspended contact with Russian government representatives due to the ongoing situation in Ukraine. However, the newly instituted policy might not have many on-the-ground effects for people working at the American space agency.
03 April 2014, 02:32 PM ET
See photos and images of Vancouver-based UrtheCast's HD cameras from their perch on the International Space Station in this Space.com gallery.
03 April 2014, 02:13 PM ET
UrtheCast released images taken by its orbiting HD equipment for the first time today, posting two photos captured on March 28 by its medium-resolution camera. One picture is centered on a Jamaican town, while the other shows part of Venezuela.
02 April 2014, 08:10 PM ET
NASA is suspending most of its cooperation with Russia as a result of the ongoing situation in Ukraine, agency officials announced Wednesday afternoon (April 2). But it will be business as usual aboard the International Space Station.
02 April 2014, 06:42 AM ET
Tiny space rocks called "minimoons" already cruise near Earth and would make interesting targets for manned exploration, advocates say.
01 April 2014, 01:44 PM ET
NASA astronaut Mike Hopkins swaps out the International Space Station's Solid Waste Container SWC/KTO.
01 April 2014, 12:43 PM ET
From a billionaire to a respected science journal, everyone is getting in on the ridiculous April Fools' Day fun. A few of the more elaborate jokes flying around the internet today (April 1) involve spaceflight and astrophysics.
01 April 2014, 10:43 AM ET
Space Shuttle Atlantis begins STS-86 by blazing through the night sky.
31 March 2014, 04:34 PM ET
The engines of NASA's space shuttle will be reborn for the space agency's newest rocket, designed to take humans deeper into space than ever before.
31 March 2014, 03:05 PM ET
You could call it one small step for a ship, one giant leap for oceanographic research. The Navy named the first of a new class of research vessels after the first man to walk on the moon, astronaut Neil Armstrong, at a ceremony in Anacortes, Wash.
31 March 2014, 11:03 AM ET
Scott Kelly has just one year left on Earth. An experienced NASA astronaut and half of the first pair of twins to fly into space, Kelly will leave the planet in 2015 to become the first U.S. astronaut to log a year in space.
31 March 2014, 08:00 AM ET
To give potential Red Planet settlers a taste of Martian life, the Netherlands-based group Mars One intends to build simulation outposts on Earth. The nonprofit announced their plans for mock Martian colonies Thursday.
30 March 2014, 01:45 PM ET
What was your favorite space news story of the last week?
29 March 2014, 02:36 PM ET
From rings around an asteroid to a shimmering rainbow of colors captured on camera above Venus, don't miss these amazing space images of the week for March 29, 2014.
29 March 2014, 08:00 AM ET
Astronauts, rocket-makers and other space leaders are set to descend on Southern California next week for the Space Tech Expo and Conference 2014. Now in its third year, the three-day trade show will take place April 1-3 in Long Beach.
28 March 2014, 02:46 PM ET
From spy satellites and missile defense to robot space planes and orbital platforms, get the latest news and views on military space technology.
28 March 2014, 11:02 AM ET
Two astronauts emerge from the airlock in their space suits after an EVA.
28 March 2014, 07:02 AM ET
Developing private systems to launch astronauts from U.S. soil in the near future should be a top priority for NASA, the space agency's chief Charles Bolden said Thursday (March 27).
28 March 2014, 07:01 AM ET
Forty-five years ago this July, astronaut Buzz Aldrin stepped on to the lunar surface and in addition to becoming the second man to walk on the moon, was the first to wear a watch there. Omega is honoring the historic occasion with a timepiece.
27 March 2014, 08:00 PM ET
A Russian Soyuz spacecraft carrying NASA astronaut Steve Swanson and cosmonauts Alexander Skvortsov and Oleg Artemyev docked with the orbiting lab at 7:53 p.m. EDT Thursday after a two-day delay in orbit.
27 March 2014, 03:02 PM ET
The first aircraft purchased by the NACA.
27 March 2014, 02:03 PM ET
On its Asteroid Redirect Mission, NASA hopes to 'encapsulate' an asteroid using a robot ship – and also remove a boulder – before bringing the mass in range of astronauts to perform some, yet unexplained, tasks.
27 March 2014, 11:18 AM ET
SpaceX's launch of a cargo resupply mission to the International Space Station has been delayed from Sunday after a critical U.S. Air Force rocket tracking radar was knocked offline, officials said late Wednesday (March 26).
27 March 2014, 07:11 AM ET
NASA's plan to capture an asteroid and park it near the moon is only one step on the way to Mars, NASA chief Charles Bolden said Wednesday (March 26). The space agency is planning an ambitious mission to send a robotic spacecraft to an asteroid.
27 March 2014, 06:54 AM ET
The space agency is asking the public to select the "cover layer" for its prototype Z-2 spacesuit, which officials say should be fully constructed by November. You can vote for one of three options through April 15.
26 March 2014, 04:50 PM ET
Space.com caught up with Jane Poynter, CEO of World View, a private company that aims to bring passengers to near-space using a high-altitude balloon.