A Visit to Watery Super-Earth Alien Planet K2-18 b Would Be Super-Strange By Mike Wall The alien planet K2-18 b would be a truly exotic vacation destination.
Jupiter's Volcanic Moon Io May Not Have a Magma Ocean After All By Nola Taylor Redd Io, the most volcanic body in the solar system, may not boast a magma ocean after all.
Gargantuan 'Bubbles' of Radio Energy Spotted at the Center of Our Galaxy. How'd They Get There? By Brandon Specktor Two huge bubbles of radio energy swirling out of the Milky Way's middle could be evidence of an ancient cosmic explosion — or maybe the start of a new one.
NASA's WFIRST Space Telescope, a Refurbished Spysat Eye, Passes Early Review By Elizabeth Howell NASA's repurposed spy telescope is ready for the next stage of development.
Watch NASA's SLS Megarocket Get Ready for New US Moon Missions (Video) By Elizabeth Howell NASA is hard at work getting its new, moon-bound rocket and spacecraft ready for Artemis 1, the next mission of the agency's program, which aims to eventually land humans on the lunar surface.
Future Moonwalkers Need Geology Training, Apollo 17's Harrison Schmitt Says By Mike Wall The only geologist ever to set foot on the moon thinks future lunar explorers should be a little more like him.
Water Vapor Detected in Atmosphere of an Alien World Nearly Twice the Size of Earth By Chelsea Gohd Scientists have detected water vapor in the atmosphere of exoplanet K2-18 b.
The Water Vapor Find on 'Habitable' Exoplanet K2-18 b Is Exciting — But It's No Earth Twin By Mike Wall Astronomers are finding more and more alien worlds that may be capable of supporting Earth-like life, but none of them so far are carbon copies of our home world.
Remembering 9/11: NASA Astronauts Pay Tribute from Space By Hanneke Weitering On the 18th anniversary of the 9/11 terror attacks, NASA astronauts paid tribute to the heroes who risked their lives to save others on that day by tweeting a special message from space.
Discovery! Water Vapor — and Likely Clouds, Rain, Too — Found on Strange Alien Planet By Chelsea Gohd In a major first, scientists have detected water vapor and possibly even liquid water clouds on a strange exoplanet that lies in the habitable zone of its host star about 110 light-years from Earth.
The Asteroid Impact That Doomed the Dinosaurs Also Spawned a Mega-Tsunami By Elizabeth Howell The dinosaur-killing asteroid that hit the Earth around 66 million years ago probably generated a huge tsunami, according to new research.
Long After Historic Flybys, NASA's New Horizons Is Still Pioneering Science in the Kuiper Belt By Meghan Bartels New Horizons made an epic flyby of a Kuiper Belt object to ring in the New Year — but scientists need brand-new observations to truly understand that data.
Right Again, Einstein! Wobbling Pulsar Confirms General Relativity By Tim Childers A pulsar 25,000 light-years away is wobbling in a weird way. But Einstein's theory of general relativity predicted it more than a century ago.
Dark 'Half-Magnets' from the Sun Could Be Streaming Through Us Every Day By Yasemin Saplakoglu Two theoretical physicists propose a novel idea to find dark matter — and it might actually be testable.
Launchpad Fire Forces Japan to Postpone Cargo Ship Launch to Space Station: Report By Elizabeth Howell Japan called off a planned cargo ship launch to the International Space Station today (Sept. 10) after a fire erupted on the launch platform for the mission's rocket, according to press reports.
First DJ in Space! Italian Astronaut Spins 'Out of This World' Set in Orbit By Chelsea Gohd ESA astronaut Luca Parmitano became the first DJ in space when he performed a set from the International Space Station.
Why Do We Call It the 'Summer' Triangle? By Joe Rao Step outside this week as soon as darkness falls and look directly overhead, and you will see the famous and very distinctive trio of bright stars collectively known as The Summer Triangle.
Europe's ArianeWorks Aims for Reusable Rockets (with a Very SpaceX Look) By Elizabeth Howell Veteran launch provider Arianespace's parent Ariane Group has teamed up with the French space agency CNES for ArianeWorks, a project for reusable rockets.
Japan to Launch Robotic Cargo Ship to Space Station Today. Watch It Live By Tariq Malik Liftoff is at 5:33 p.m. EDT (2133 GMT).
September Full Moon 2019: When to See the 'Harvest Moon' By Jesse Emspak The full "Harvest Moon" occurs Sept. 14, at 12:33 a.m. EDT (0433 GMT), a day after it reaches apogee, the farthest point from Earth in its orbit.
