The formation of our solar system was a messy affair. Most of the material that existed before its formation—material formed around other, long-dead stars—was vaporized, then recondensed into new materials. But some grains ...
Space Exploration
Jun 10, 2020
0
355
Scientists with NASA's first asteroid sample return mission, OSIRIS-REx, are gaining a new understanding of asteroid Bennu's carbon-rich material and signature "spinning-top" shape. The team, led by the University of Arizona, ...
Space Exploration
Jun 1, 2020
8
149
The mystery of some lava-like flows on Mars has been solved by scientists who say they are caused not by lava but by mud.
Space Exploration
May 18, 2020
22
2204
On Feb. 21, 2019, we shot an asteroid.
Space Exploration
May 8, 2020
3
730
The Dishchii'bikoh meteorite fall in the White Mountain Apache reservation in central Arizona has given scientists a big clue to finding out where so-called LL chondrites call home. They report their results in the April ...
Astronomy
Apr 23, 2020
0
137
Asteroids come in all shapes and sizes, and now astronomers at MIT and elsewhere have observed an asteroid so heavily cratered that they are dubbing it the "golf ball asteroid."
Astronomy
Feb 11, 2020
0
359
NASA's Lucy mission team is seeing double after discovering that Eurybates, the asteroid the spacecraft has targeted for flyby in 2027, has a small satellite. This "bonus" science exploration opportunity for the project was ...
Space Exploration
Jan 10, 2020
1
1471
Astronomers using ESO's SPHERE instrument at the Very Large Telescope (VLT) have revealed that the asteroid Hygiea could be classified as a dwarf planet. The object is the fourth largest in the asteroid belt after Ceres, ...
Astronomy
Oct 28, 2019
3
730
Something mysterious happened nearly half a billion years ago that triggered one of the most important changes in the history of life on Earth. Suddenly, there was an explosion of species, with the biodiversity of invertebrate ...
Earth Sciences
Sep 19, 2019
1
243
Last December, scientists discovered an "active" asteroid within the asteroid belt, sandwiched between the orbits of Mars and Jupiter. The space rock, designated by astronomers as 6478 Gault, appeared to be leaving two trails ...
Astronomy
Aug 30, 2019
16
1406
