There's no map showing all the billions of exoplanets hiding in our galaxy -- they're so distant and faint compared to their stars, it's hard to find them. Now, astronomers hunting for new worlds have established a possible signpost for giant exoplanets.News Article Type: Homepage ArticlesPublished: Wednesday, October 11, 2017 - 14:14
Planet Nine is out there, and astronomers are determined to find it, according to a new statement by NASA.
A European satellite built to map Earth's air like never before will launch into space early Friday, and you can watch it live online.
The Russian space agency Roscosmos aborted the launch of its fastest cargo mission to the International Space Station yet today (Oct. 12) due to "reasons yet to be analyzed" that occurred just one minute before liftoff, a NASA spokesperson said.
The new chief executive of Blue Origin told the National Space Council his company is in discussions about certifying its New Glenn rocket for government missions, a shift in strategy that could put the company in competition with a customer.
NASA's OCO-2 satellite observed carbon dioxide response to one of strongest El Niños on record.
The search for extraterrestrials has gone on long before the SETI Institute was founded in 1984.
An animation of satellite images shows plumes of dense, gray smoke rising from wildfires burning in multiple locations in California.
These upside-down canyons could contribute to the melt and collapse of Antarctica's floating expanses of ice.
NASA's Orbiting Carbon Observatory-2 (OCO-2) will study atmospheric carbon dioxide from space. See images and photos from the carbon-hunting mission in this Space.com gallery.
Wildfires continue to burn a path of destruction through California's wine country, as two new satellite photos show.
Astronomers have directly measured a blazing-bright object on the opposite side of the Milky Way, almost doubling the record for the most distant object measured in our own galaxy.
What role will NASA play in getting humans to Mars, and when will the agency depend on participation from commercial companies? A top NASA official discusses the agency's plans.
In 2013's "Pacific Rim," director Guillermo del Toro introduced audiences to a world filled with high-tech Jaeger mechs the size of skyscrapers built by humanity to defend itself against giant monsters from an otherworldly realm.
Ancient Mars may have harbored deep-sea hydrothermal vents, the same type of environment where many scientists think life on Earth got its start, a recent study suggests.
A strong solar storm recently sparked a whole-planet aurora on Mars more than 25 times brighter than any seen before on the Red Planet, researchers say.
An asteroid the size of a house is set to give Earth a close shave, and you can watch part of the space rock's approach live online this evening (Oct. 11).
SpaceX plans to launch a satellite using a pre-flown rocket for the third time ever this evening (Oct. 11), and you can watch the liftoff live.
A Falcon 9 rocket with a pre-flown first stage successfully launched the EchoStar 105/SES-11 communications satellite to orbit today (Oct. 11), marking the third time SpaceX has pulled off such a used-booster feat.
The brightness of a star is measured several ways: how it appears from Earth, how bright it would appear from a standard distance and how much energy it emits.