(Phys.org) —It's well known that the dinosaurs were wiped out 66 million years ago when a meteor hit what is now southern Mexico but evidence is accumulating that the biggest extinction of all, 252.3m years ago, at the ...
Earth Sciences
Aug 1, 2013
32
0
The wonders – and mysteries – of Kuiper Belt object 2014 MU69 continue to multiply as NASA's New Horizons spacecraft beams home new images of its New Year's Day 2019 flyby target.
Space Exploration
Jan 25, 2019
8
2234
New Curtin University research has confirmed the frequency of asteroid collisions that formed impact craters on Mars has been consistent over the past 600 million years.
Planetary Sciences
Jan 21, 2022
1
771
The ExoMars Trace Gas Orbiter has returned the first images of the Red Planet from its new orbit.
Space Exploration
Apr 26, 2018
0
588
Japan's space agency said Monday that its Hayabusa2 spacecraft will follow up last month's touchdown on a distant asteroid with another risky mission—dropping an explosive on the asteroid to make a crater and then collect ...
Space Exploration
Mar 18, 2019
4
373
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 ...
Space Exploration
Oct 7, 2020
0
430
Mass extinctions occurring over the past 260 million years were likely caused by comet and asteroid showers, scientists conclude in a new study published in Monthly Notices of the Royal Astronomical Society.
Earth Sciences
Oct 20, 2015
13
1167
More than 400 years after Galileo's discovery of Io, the innermost of Jupiter's largest moons, a team of scientists led by Arizona State University (ASU) has produced the first complete global geologic map of the Jovian satellite. ...
Space Exploration
Mar 19, 2012
9
0
"Mars ain't no kind of place to raise your kids; in fact it's cold as hell" sang Elton John in "Rocket Man", and although the song was released in 1972—four years before the first successful landing on Mars—his weather ...
Space Exploration
Sep 14, 2012
9
0
After decades of uncertainty, the Apollo 16 S-IVB impact site on the lunar surface has been identified. S-IVBs were portions of the Saturn V rockets that brought astronauts to the moon. The site was identified in imagery ...
Space Exploration
Dec 4, 2015
7
1221
