ASTRONOMY

Sampling the plumes of Jupiter’s volcano moon, Io

ASTRONOMY
What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) formation and evolution? This is what...

Dark energy may not be constant—this discovery could undermine our entire model of cosmological history

ASTRONOMY
The great Russian physicist and Nobel laureate Lev Landau once remarked that "cosmologists are often in error, but never in doubt." In studying the...

Massive Jupiter storm churns ammonia deep into planet’s atmosphere

ASTRONOMY
A pair of planetary scientists at the University of California, working with a colleague from the California Institute of Technology, has discovered that a...

Perseverance rover witnesses one Martian dust devil eating another

ASTRONOMY
The six-wheeled explorer recently captured several red planet mini-twisters spinning on the rim of Jezero Crater. A Martian dust devil can be seen consuming a...

Rising odds asteroid that briefly threatened Earth will hit moon

ASTRONOMY
A huge asteroid that was briefly feared to strike Earth now has a nearly 4% chance of smashing into the moon, according to new...

Asteroid impact threat estimates improved for the Earth and the moon

ASTRONOMY
Asteroid 2024 YR4, first discovered in December 2024, triggered a first-ever notification from the International Asteroid Warning Network (IAWN) on January 29, 2025. The...

Atmospheres of new planets might have unexpected mixtures of hydrogen and water

ASTRONOMY
All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't react chemically...

Earth 1, asteroids 0: The next generation of planetary defense takes shape at NASA’s Jet Propulsion Laboratory

ASTRONOMY
There is a non-zero chance that somewhere in the nearby solar system is a rock that might kill us all. This stony assassin may well...

NASA puts biggest rocket pieces together for Artemis II moon mission

ASTRONOMY
The slow race of getting NASA's Space Launch System rocket pieced together for next year's Artemis II moon mission jumped a big hurdle over...

Webb captures Neptune’s auroras for first time

ASTRONOMY
Neptune lies in the frigid, dark, vast frontier of the outer edges of our solar system, about 3 billion miles away from the sun. For...

‘Mars and Earth are even more different than we thought’: Condensing 20 years of atmospheric wave observations

ASTRONOMY
For the first time on a global scale, 20 years of observations on Mars have been condensed into a single study led by Francisco...

NASA to launch three rockets from Alaska in single Aurora experiment

ASTRONOMY
Three NASA-funded rockets are set to launch from Poker Flat Research Range in Fairbanks, Alaska, in an experiment that seeks to reveal how auroral...
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