The Mercury Transit of 2019 Has Begun!
Watch while you can—the next transit of the closest planet to the sun will not occur until 2032
Stories by SPACE.com
Boeing’s Next-Generation Starliner Vehicle Passes Major Safety Test
Despite a parachute glitch, the spacecraft’s pad-abort system showed it could protect future astronauts
NASA Just Unveiled the Space Suit to be Worn by the First Woman on the Moon
Meet the xEMU space suit—and a new suit for the Orion spacecraft, too
SpaceX’s Starlink Constellation Could Swell by 30,000 More Satellites
The company’s constellation could eventually consist of 42,000 spacecraft
Giant Molecules Exist in Two Places at Once in Unprecedented Quantum Experiment
The new study demonstrates a bizarre quantum effect at never-before-seen scales
Asteroid Dust Triggered an Explosion of Life on Ancient Earth
At 466 million years ago, the breakup of a large space rock may have led to major changes in our planet’s biodiversity
Saturn’s Rings May Be Ancient After All
Against earlier studies estimating an age of just 100 million years, new research suggests the planet’s rings could be as old as the solar system itself
India Locates Its Lost Vikram Lander on the Moon
No signals have been received from the lander, but attempts are underway to establish communication
Newfound Alien Planet Has a Bizarre Looping Orbit
Astronomers have never seen a world quite like HR 5183 b before
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
