New Earth Bombardment Model: How Asteroid and Comet Strikes May Have Delayed Evolution of the Atmosphere
Study finds collisions that stalled oxygen growth on the planet are more common than thought. Between 2.5 and 4 billion years ago, a time known…
Study finds collisions that stalled oxygen growth on the planet are more common than thought. Between 2.5 and 4 billion years ago, a time known…
Is Planetary Defense PI in the Sky? In February of 2013, skywatchers around the world turned their attention toward asteroid 2012 DA14, a cosmic rock…
SwRI’s Levison, Olkin lead the mission to Jupiter’s Trojan asteroids. NASA’s Lucy spacecraft is encapsulated in a protective fairing atop an Atlas V rocket, awaiting…
On October 16, 2021, NASA’s Lucy spacecraft will begin its journey to visit a record-breaking number of asteroids. The 12-year mission starts from NASA’s Kennedy…
About a kilometer across, space rock 2021 PH27 is the Sun’s nearest neighbor. Using the powerful 570-megapixel Dark Energy Camera (DECam) in Chile, astronomers recently…
Using data from NASA OSIRIS-REx mission, a University of Arizona-led team of scientists concluded that asteroids with highly porous rocks, such as Bennu, should lack…
NASA’s Lucy spacecraft will launch in October 2021 on a 12-year journey to Jupiter’s Trojan asteroids. The Lucy mission will include three Earth gravity assists…
NASA is ready for the upcoming launch of NASA’s Double Asteroid Redirection Test (DART) mission, an evaluation of technologies for preventing a hazardous asteroid from…
Set to launch next year, NASA’s Psyche mission marks the first time the agency has set out to explore an asteroid richer in metal than…
New research into metal-rich asteroids reveals information about the origins and compositions of these rare bodies that could one day be mined. Metal-rich near-Earth asteroids,…
Brown scientists are analyzing a tiny chunk of the asteroid Ryugu in an effort to better understand the early history of the solar system. In…
NASA has tested the functions of Lucy, the agency’s first spacecraft to study Jupiter’s Trojan asteroids, filled it with fuel, and is preparing to pack…
On February 28, 2020, at 10:30 CET, hundreds of people across Slovenia, Croatia, Italy, Austria, and Hungary observed a bright ball of light hurtling across…
Time capsules from the birth of our Solar System more than 4 billion years ago, the swarms of Trojan asteroids associated with Jupiter are thought…
Like Hitting a Bullseye With Your Eyes Closed Two statisticians put into perspective the chances of asteroid Bennu striking Earth in the next 300 years….
Using the European Southern Observatory’s Very Large Telescope (ESO’s VLT), a team of astronomers has obtained the sharpest and most detailed images yet of the…
Will an asteroid ever hit Earth? There are no known impact threats, but tiny meteors burn up in Earth’s atmosphere all the time! NASA asteroid…
The troughs on Vesta have long been a topic of scientific speculation. The asteroid Vesta is the second largest asteroid in our solar system. With…