Science & Astronomy Archive
03 April 2015, 01:00 PM ET
The fourth-annual International Space Apps Challenge takes place worldwide April 10 to 12, and calls on citizen scientists to come up with creative ways to use data to solve global problems.
03 April 2015, 07:00 AM ET
Researchers shipped eight colonies of ants to the International Space Station to study their search behavior in microgravity.
03 April 2015, 07:00 AM ET
NASA's Hubble Space Telescope has photographed a number of gas clouds that glow a ghostly green, thanks to radiation blasted out by superpowerful quasars. See the photos in this Hubble photo gallery.
03 April 2015, 07:00 AM ET
The eight objects betray the past presence of quasars, the most luminous objects in the universe, whose powerful beams of radiation lend the clouds their ethereal glow, researchers said.
03 April 2015, 07:00 AM ET
Scientists are still trying to understand what causes Mars' myriad dark streaks, and what these features might mean for the possible existence of Red Planet life.
02 April 2015, 04:11 PM ET
The Planetary Society — a nongovernmental space advocacy organization — has announced its support of a plan to send humans into orbit around Mars' moon Phobos by 2033 and to the surface of the Red Planet by 2039.
02 April 2015, 03:01 PM ET
Have you ever wondered what it would be like to live on the moon? What about Mars, or Venus or Mercury? We sure have and that's why we decided to find out what it might be like to live on other worlds in our solar system, from Mercury to Pluto and beyond
02 April 2015, 11:50 AM ET
You're not seeing double; these are two images of the same world: icy, cratered Rhea, the second-largest natural satellite of Saturn.
02 April 2015, 07:00 AM ET
The close orbit of NASA's MESSENGER spacecraft provides a world of detail about features on the rocky planet Mercury.
02 April 2015, 07:00 AM ET
The rocks, which lie at a site dubbed Garden City near the base of the 3.4-mile-high (5.5 kilometers) Mount Sharp, harbor ridges up to 2.5 inches (6 centimeters) tall that are composed of bright and dark mineral veins.
01 April 2015, 11:57 PM ET
The astronauts living and working on the International Space Station are eye to eye with a deadly super typhoon as it heads toward the Philippines.
01 April 2015, 06:00 PM ET
Lunar lava tubes may be large enough to house whole cities of future colonists, scientists say.
01 April 2015, 05:27 PM ET
NASA's Osiris-Rex mission has passed a crucial milestone, moving from the design and development phase to the spacecraft-building stage, agency officials announced Monday (March 31).
01 April 2015, 04:47 PM ET
A new program will search for hard-to-spot gravitational waves by looking at how they distort the signals of fast-spinning millisecond pulsars.
01 April 2015, 03:11 PM ET
The orbiting Global Precipitation Measurement (GPM) Constellation quantifies precipitation across the entire Earth. Data 'swaths' from 10 satellites overlay to form NASA's animated Integrated Multi-satellite Retrievals for GPM (IMERG).
01 April 2015, 01:54 PM ET
Material falling onto a growing gas giant's core may provide the push needed to keep the planet from spiraling into its star. The discovery could solve the 30-year mystery of how distant gas giants, such as Jupiter, survive their formation period.
01 April 2015, 10:52 AM ET
In the 2015 Space Apps Challenge (April 10-12), engineers, artists, entrepreneurs and others collaborate to find solutions to world challenges. NASA astronaut Cady Coleman explains.
01 April 2015, 08:00 AM ET
Ancient Mars may have featured oceans with huge, slow-moving waves. Studying the shorelines these waves may have carved could shed light on the ancient Martian climate, such as whether or not it had seas long enough for life to potentially develop.
01 April 2015, 07:00 AM ET
The scars inflicted during the Curiosity rover mission's 2012 landing faded steadily for about two years, but the pace slackened thereafter, and some appear even to be darkening again, researchers said.
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.
31 March 2015, 05:04 PM ET
The Mars Science Laboratory and components of the delivery spacecraft whence it came have been spied by the Mars Reconnaissance Orbiter on several occasions since in August 2012.
31 March 2015, 04:49 PM ET
There used to be nine planets. Now there are eight. Whichever you prefer, here is a list of them in the order they appear in the solar system.
31 March 2015, 12:45 PM ET
Much is unknown about Pluto, including what its surface features are like and what kind of weather patterns it has, if any.
31 March 2015, 12:00 PM ET
Space.com's editors present a reading list for space and sci-fi lovers, as well as children who are interested in astronomy and spaceflight.
31 March 2015, 11:10 AM ET
Pluto was considered a planet until 2006, when it was reclassified as a dwarf planet.
31 March 2015, 10:00 AM ET
Space.com had the amazing opportunity to sit down with screenwriter Jonathan Nolan and astrophysicist Kip Thorne, to talk about the science of the science fiction epic 'Interstellar,' and reasons for humanity to leave Earth.
31 March 2015, 08:00 AM ET
This week the science fiction movie epic 'Interstellar' gets released on Blu-ray, with 3 hours of science-packed bonus material that will have space fans drooling.
31 March 2015, 07:00 AM ET
Many astronomers had thought rocky, potentially habitable worlds could not take shape in the complex environment around binary stars. But mathematical simulations suggest otherwise, a new study reports.
31 March 2015, 07:00 AM ET
Earlier this month, researchers made two big announcements: Saturn's moon Enceladus likely harbors hot springs, and Jupiter's huge satellite Ganymede apparently possesses a subsurface ocean that may contain more water than all of Earth does.
30 March 2015, 04:20 PM ET
NASA's Opportunity Mars rover has suffered another bout of amnesia, less than a week after engineers installed a software upgrade designed to fix its memory problems. The March 25 event didn't result in the loss of any science data.
30 March 2015, 12:13 PM ET
In anticipation of the Blu-ray and DVD release of the movie "Interstellar" this week, fans can also enjoy an online text-based game, a website about the scienc of the movie, and a special screening on April 7.
30 March 2015, 07:06 AM ET
You would think the battered moon doesn't need one more crater. But thanks to data from NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission, a massive crater has been found, provisionally named the crater Earhart.