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Planetary Sciences Jun 9, 2022

Scientists release first analysis of rocks plucked from speeding asteroid

After a six-year journey, a plucky spacecraft called Hayabusa2 zinged back into Earth's atmosphere in late 2020 and landed deep in the Australian outback. When researchers from the Japanese space agency JAXA opened it, they ...

Planetary Sciences Jun 9, 2022

What happened before, during and after solar system formation? Asteroid Ryugu study holds the answers

The Japan Aerospace Exploration Agency's (JAXA) Hayabusa2 mission returned uncontaminated primitive asteroid samples to Earth. A comprehensive analysis of 16 particles from the asteroid Ryugu revealed many insights into the ...

Astronomy May 24, 2022

The chaotic early phase of the solar system

Before the Earth and other planets formed, the young sun was still surrounded by cosmic gas and dust. Over the millennia, rock fragments of various sizes formed from the dust. Many of these became building blocks for the ...

Planetary Sciences May 13, 2022

New study indicates limited water circulation late in the history of Mars

A research team led by Lund University in Sweden has investigated a meteorite from Mars using neutron and X-ray tomography. The technology, which will probably be used when NASA examines samples from the Red Planet in 2030, ...

Astrobiology Apr 26, 2022

Could the blueprint for life have been generated in asteroids?

Using new analyses, scientists have just found the last two of the five informational units of DNA and RNA that had yet to be discovered in samples from meteorites. While it is unlikely that DNA could be formed in a meteorite, ...

Astrobiology Apr 22, 2022

Meteorites from the red desert of Australia support search for life on Mars

Monash University, University of Queensland and Australian National University researchers have used ANSTO's Australian Synchrotron in their study of meteorites found on Earth that could be used in future to find evidence ...

Astronomy Apr 19, 2022

All-sky cameras capture bright fireball event

A bright fireball was observed by a network of all-sky cameras across southern Ontario at 11:37pm on Sunday, April 17, 2022. Analysis of the video data suggests that fragments of the meteor are likely to have made it to the ...

Planetary Sciences Apr 19, 2022

Space dust, asteroids and comets can account for all water on Mercury

Mercury harbors water ice in the shadows of the steepest craters around its poles. But it is unclear how those water molecules ended up on Mercury. Now a new simulation shows that incoming minor bodies such as asteroids, ...

Earth Sciences Apr 14, 2022

Researcher confirms hottest rock on record

If there was ever any doubt the 2011 discovery by a post-doctoral student was indeed the hottest rock on Earth, new findings from a Western-led research team are putting that uncertainty to rest.

Planetary Sciences Apr 1, 2022

Mapping out meteorites in Antarctica: Uncovering our solar system's deep past

A Belgian-Dutch team of scientists has created the first-ever "treasure map" that shows where in Antarctica meteorites are likely to be found. Meteorites are chunks of stone-like material that can be found on the surface ...

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