Related topics: mars

Asteroid dust found in crater closes case of dinosaur extinction

Researchers believe they have closed the case of what killed the dinosaurs, definitively linking their extinction with an asteroid that slammed into Earth 66 million years ago by finding a key piece of evidence: asteroid ...

Scientist proposes a new timeline for Mars terrains

A Southwest Research Institute scientist has updated Mars chronology models to find that terrains shaped by ancient water activity on the planet's surface may be hundreds of millions of years older than previously thought. ...

Scientists expand space instrument's capabilities

A new study by Southwest Research Institute scientists describes how they have expanded the capabilities of the prototype spaceflight instrument Chemistry Organic and Dating Experiment (CODEX), designed for field-based dating ...

A Subterranean ecosystem in the Chicxulub crater

A new study reveals that the Chicxulub impact crater and its hydrothermal system hosted a subterranean ecosystem that could provide a glimpse of Earth's primordial life.

An ancient crater triplet on Mars

Mars is covered in intriguing scars—some of the most prominent being impact craters. A particularly unusual example is shown in this new image from ESA's Mars Express: an ancient triplet comprising not one but three overlapping ...

Asteroid Ryugu shaken by Hayabusa2's impactor

Professor Arakawa Masahiko (Graduate School of Science, Kobe University, Japan) and members of the Hayabusa2 mission discovered more than 200 boulders ranging from 30 cm to 6m in size, which either newly appeared or moved ...

The colorful walls of an exposed impact crater on Mars

Impact craters have been called the "poor geologists' drill," since they allow scientists to look beneath to the subsurface of a planet without actually digging down. It's estimated that Mars has over 600,000 craters, so ...

New chronology of the Saturn system

A new chronology for the moons of Saturn has been developed by Planetary Science Institute Associate Research Scientist Samuel W. Bell.

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