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Planetary Sciences Aug 4, 2026

Asteroid Nysa's rare three-lobed structure challenges formation models

Named for the mythical valley where the god Dionysus was raised in secret by nymphs, the asteroid 44 Nysa inhabits the asteroid belt between Mars and Jupiter. Through observations by the Hubble Space Telescope, astronomers ...

Evolution Aug 3, 2026

Homo antecessor skull layers resemble modern humans and Neanderthals, fragments suggest

A new study provides quantitative data on cranial vault thickness in Homo antecessor, based on the analysis of three parietal fragments recovered from the Gran Dolina site in the Sierra de Atapuerca, Burgos, Spain.

Astronomy Aug 3, 2026

Astrobiologist uses Apollo lunar samples as mirror onto early Earth

Roll back the tape of Earth's history, and geologists and astrobiologists remain perplexed about the environmental conditions on early Earth. That's because conventional pathways for understanding Earth's history have been ...

Space Exploration Aug 3, 2026

Spaceflight could change how astronauts swallow, eat and drink in subtle ways

Imagine trying to swallow a sip of water while your face feels stuffed with congestion, your sense of taste is dulled and your body is floating 250 miles (400 kilometers) above Earth.

Planetary Sciences Aug 1, 2026

Solar wind stirs Mars' upper atmosphere, boosting ion loss to space

Our sun constantly releases a stream of high-speed charged particles, known as the solar wind. Unlike Earth, Mars does not have a strong global magnetic field to shield its atmosphere from this flow. As a result, the solar ...

Space Exploration Jul 30, 2026

Scientists advance space agriculture for future moon and Mars missions

Space isn't known for rich soil or ideal agricultural conditions anywhere in the solar system. Yet amid extreme temperatures and vast distances, multidisciplinary teams at USF's Aerospace: Science, Technology, Research and ...

Planetary Sciences Jul 29, 2026

Curiosity Mars rover discovers field of honeycomb textures

As NASA's Curiosity rover recently began climbing a Martian valley nicknamed "Valle Grande," it sent back images that were a familiar sight to mission scientists: honeycomb-like textures called polygonal fractures, each about ...

Astronomy Jul 28, 2026

More evidence Mars once had water emerges from old Spirit rover data

More than 20 years after NASA's Spirit rover landed on Mars, a researcher from Edith Cowan University (ECU) has uncovered new evidence that suggests water may once have covered large parts of the red planet.

Planetary Sciences Jul 23, 2026

Mars auroras reveal miniature version of Earth's magnetic engine

NASA MAVEN (Mars Atmosphere and Volatile Evolution) mission scientists have uncovered a key puzzle piece in understanding certain types of auroras on Mars, finding that they form in a similar way to Earth–based auroras.

Planetary Sciences Jul 21, 2026

Mars's 2018 planetwide dust storm hints at possible solar influence on its weather

Solar storms may affect weather on Mars when they strike at the same time as major Martian dust storms, a new study suggests for the first time. Researchers found evidence of rising temperatures in the red planet's lower ...

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