12 August 2015, 12:53 AM ET
A super-Earth is an extrasolar planet that is close to Earth's size and mass, but does not have the mass of a gas giant.
11 August 2015, 03:46 PM ET
More than 6,000 'Star Trek' fans are now part of a giant online tribute to Leonard Nimoy, who played the Vulcan alien Spock on the famed series.
11 August 2015, 01:27 PM ET
'For the Love of Spock,' a documentary commemorating the life of Leonard Nimoy and his famous 'Star Trek' character, Spock, will likely require more funding after exceeding its Kickstarter goal, the film's director says.
11 August 2015, 08:13 AM ET
The Perseid meteor shower is the most widely observed and dependable annual meteor display of the year, and its peak this week has all the earmarks of being an excellent example of celestial fireworks, weather permitting.
11 August 2015, 07:30 AM ET
The space agency just opened the latest round of its Cubesat Launch Initiative, which provides rocket rides for tiny spacecraft developed by researchers at NASA, academic institutions and nonprofit organizations.
11 August 2015, 07:23 AM ET
Today, the International Astronomical Union will announce the results of its "Name the Exoworlds" campaign, which asked the public to vote on names for 32 alien planets in 20 different star systems.
11 August 2015, 07:00 AM ET
Planetary Resources deployed its first spacecraft from the International Space Station last month. The Washington-based asteroid-mining company hopes to begin transforming asteroid water into rocket fuel within the next decade.
10 August 2015, 10:10 PM ET
Rocky surfaces and molten cores are what the four inner planets of the solar system have in common
10 August 2015, 06:00 PM ET
Cosmonauts scrubbed a window, documented the International Space Station (ISS) exterior, collected an experiment and battled cold fingers during a speedy spacewalk Monday, August 10.
10 August 2015, 05:15 PM ET
The resulting radar images, which researchers combined into an asteroid flyby video, show that the asteroid, known as 1999 JD6, is a "contact binary" consisting of two lobes joined together.
10 August 2015, 04:57 PM ET
The slow death of the universe was revealed in 21 wavelengths, as scientists map the energy of a nearby region of space.
10 August 2015, 04:00 PM ET
A study of 200,000 galaxies has revealed that the Universe generates about half as much energy as it did 2 billion years ago. The Galaxy and Mass Assembly catalogue is accurately depicted in this visualization.
10 August 2015, 02:30 PM ET
SpaceVR launched a Kickstarter campaign today (Aug. 10) to help get its high-definition 3D camera, known as "Overview One," to the International Space Station.
10 August 2015, 02:11 PM ET
For the first time (at least officially), NASA astronauts on board the International Space Station have tasted the product, or produce, of their work. They chomped on the lettuce freshly harvested from the Veggie growth system.
10 August 2015, 12:19 PM ET
This stunning image of the Millky Way was taken over Mt. Manaslu in the Himalayas. Mumbai-based amateur astrophotographer, Kuntal A. Joisher, took this image in fall of 2014 during a trek on the mountain.
10 August 2015, 12:15 PM ET
The first Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope is now in operation on Haleakala – on the Hawaiian Island of Maui. ATLAS is an asteroid impact early warning system being developed by the University of Hawaii and funded by NASA.
10 August 2015, 11:11 AM ET
The Milky Way arcs above a spotlight-illuminated house in a beautiful new space photograph by 'astro-paparazzi' David Martin of Virginia. See how he made the photo here.
10 August 2015, 07:21 AM ET
Two Russian cosmonauts will venture outside the International Space Station today (Aug. 10) in a spacewalk to install equipment, pick up an experiment and take pictures of the station.
10 August 2015, 07:00 AM ET
In Marvel Comics' new "Fantastic Four" movie, a classic rocket-based origin is dropped for one with interdimensional teleportation and mystic energy. What happened?
10 August 2015, 06:57 AM ET
As particles race around Saturn at breakneck speeds, their jostling and crashing may look random and haphazard — but a new mathematical theory brings a simple kind of order to the chaos that will help scientists understand rings across the universe.
10 August 2015, 06:50 AM ET
New "Marstronauts" will head to a Hawaiian simulation facility for a year, starting Aug. 28. Officials with the Hawaii Space Exploration Analog and Simulation (HI-SEAS) mission announced the selection of the six scientists on July 29.
10 August 2015, 06:16 AM ET
Some scientists theorize that our universe is fake, and we are all living in an alien simulation. Do you think all of human existence is merely an epic computer simulation?
09 August 2015, 10:35 AM ET
NASA needs your help to bolster current earthquake detection technologies, and they’re offering $25,000 to the team that develops the best way to detect an oncoming quake.
09 August 2015, 07:16 AM ET
Venturing out into space wearing nothing but a spacesuit is a daring act in itself. But over hundreds of spacewalks since 1965, there are a few that stand out.
09 August 2015, 07:01 AM ET
The annual Perseid meteor shower will reach its peak this week on Wednesday (Aug. 12) and Thursday (Aug. 13), giving amateur skywatchers an evening show.
08 August 2015, 08:58 AM ET
From an incredible photo of the moon crossing Earth's face to a new view of the dwarf planet Cere's mysterious bright spots, don't miss these amazing space images.
08 August 2015, 08:44 AM ET
An unusual kind of observatory is opening a new lens to the universe.
08 August 2015, 08:00 AM ET
If you ever want to travel truly "above and beyond" then you'll be interested in a new interactive flight exhibition – one that just launched on a multi-city tour to major science centers and air-and-space museums worldwide.
07 August 2015, 10:56 PM ET
Astronomers found the most far-flung galaxy ever discovered, NASA's Curiosity rover celebrated three years on Mars and Europe's Rosetta mission marked one year in orbit around a comet. Here are Space.com's top stories of the week.
07 August 2015, 05:56 PM ET
By studying how plants react to life in space, we can learn more about how they adapt to environmental changes.