Newfound Alien Planet Has a Bizarre Looping Orbit
Astronomers have never seen a world quite like HR 5183 b before
Stories by SPACE.com
SpaceX Starhopper Rocket Prototype Aces Highest (and Final) Test Flight
Starhopper is passing the test-flight torch to orbital prototypes
Will Future Lunar Bases Be Underground?
Lava tubes on the moon could be crucial sites for human outposts
Silica Blankets Could Make Mars Habitable
Thin layers of lightweight aerogel might be the main ingredient for making regions of the Red Planet more Earth-like
NASA Picks First Private Landers for Lunar Science
Three companies are receiving millions of dollars apiece to ferry payloads to the moon’s surface in 2020 and 2021
18 Small New Worlds Found in Old Planet-Hunting Data
Hundreds of previously overlooked Earth-sized planets may await discovery in archives from NASA’s Kepler mission
What Prevents Pluto's Ocean from Freezing?
Layers of ice-like gas hydrates may insulate frigid ocean worlds across the cosmos
Blue Origin Unveils "Blue Moon," Its Big Lunar Lander
The spacecraft could ferry astronauts to the moon’s surface as early as 2024
Gigantic Ice Formation Found on Saturn's Moon Titan
The mysterious feature wraps almost halfway around the giant moon
SpaceX Crew Dragon Capsule Explodes During Engine Test
The accident is likely to significantly delay the company’s plans for crewed launches
Mars Has Methane--But Does It Have Life?
Multiple lines of evidence suggest the gas occasionally surges into the Red Planet’s atmosphere. Could it be a sign of a subsurface biosphere?
Is NASA's Golden Age of Space Telescopes Ending?
For the second year in a row, the White House is seeking to cancel one of the space agency’s top-priority astrophysics projects, the Wide-Field Infrared Survey Telescope
SpaceX Crew Dragon Splashes Down after Historic Test Flight
Splashdown occurred at 8:45 am Eastern time about 230 miles off the Florida coast
"Mole" on InSight Mars Lander Begins Burrowing, but the Going Is Rough
Small stones have impeded progress on landmark efforts to study the Red Planet’s subsurface activity
NASA Spots Another Possible Impact Crater Buried Under Greenland Ice
The newfound crater candidate is thought to be unrelated to another that was discovered last year
NASA's Curiosity Rover Weighs a Mountain on Mars
Gravitational measurements may solve the long-standing mystery of how Mount Sharp formed
Scientists Prepare for Mission to Europa
NASA’s Europa Clipper spacecraft could launch as early as 2023 to investigate one of the solar system’s most mysterious moons
Lunar Craters Show Spike in Earth-Pummeling Space Rocks
A new analysis suggests the last few hundred million years of life on Earth has seen above-average asteroid impact rates
Weird Star System's Planet-Forming Disk Goes Vertical Like a Ferris Wheel
Worlds with off-kilter orbits may be much more common than previously believed
Ocean Moons, Promising Targets in Search for Alien Life, Could Be Dead Inside
The interiors of Europa and other watery moons in the outer solar system might be too geologically inactive to support life
