
Newfound ‘Quasi-Moon’ Has Been Earth’s Fellow Traveler for Thousands of Years
Astronomers recently identified asteroid 2023 FW13 as a quasi-moon, a space rock orbiting the sun nearly in tandem with Earth
Astronomers recently identified asteroid 2023 FW13 as a quasi-moon, a space rock orbiting the sun nearly in tandem with Earth
If Martian microbes were like those in this Earth lagoon, they could have survived the Red Planet’s primordial desiccation
Earlier this month a meteorite crashed through the roof of a New Jersey home. The residents are still pondering the fate of their gift from the skies
The huge watery cloud spurting from Enceladus could carry the ingredients for life farther into space than previously known
Solar-powered balloons detected strange, ultra-low-frequency rumblings in Earth’s stratosphere that, so far, scientists can’t identify
Delays and budgetary overruns are causing many to worry that NASA’s ambitious planetary science program is at a breaking point
Vast quantities of liquid water may exist on moons of Jupiter, Saturn and Neptune, making life possible there, too
New results from a U.A.E. orbiter suggest Mars’s moons may be pieces of the planet. A Japanese mission will tell us for sure
A gas giant planet’s youthful glow could explain major differences between its four largest satellites
Spacecraft will explore hidden oceans and the possibility of life on the moons of Jupiter
The ambitious Jupiter moon mission JUICE has begun its long journey to the Jovian system
The imagery offers a rare view of the ice giant’s ring system, bright moons and dynamic atmosphere
A half-kilogram’s worth of samples gathered by NASA’s Perseverance rover for eventual return to Earth holds weighty implications for life on Mars
Multiple obstacles might make it hard for NASA to turn its dream of ice giant exploration into a reality any time soon
The asteroid Didymos witnessed its companion get slammed by NASA’s DART spacecraft, and Didymos itself may have interesting activity
TRAPPIST-1b is probably an airless rock, but the same may not be true for its six Earth-sized siblings
A mass of moving material on Mars called a mantle plume may be causing marsquakes and volcanism
The discovery highlights a need for future missions after NASA puts one on hold
Preliminary estimates suggest that a 50-meter space rock called 2023 DW has a roughly one-in-600 chance of colliding with our planet in 23 years
A fresh analysis of tree-ring data suggests barrages of cosmic radiation that washed over Earth centuries ago may have come from sources besides our sun
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