Did Earth's multicellular life depend on plate tectonics?
How did complex life emerge and evolve on the Earth and what does this mean for finding life beyond Earth?
How did complex life emerge and evolve on the Earth and what does this mean for finding life beyond Earth?
Astrobiology
May 20, 2024
0
21
When we look at the moon, either through a pair of binoculars, a telescope, or past footage from the Apollo missions, we see a landscape that's riddled with what appear to be massive sinkholes. But these "sinkholes" aren't ...
Astrobiology
Jan 11, 2024
0
6
Just as snow crystals form in the upper atmosphere, then fall to lower, warmer elevations and melt, scientists believe a phenomenon called iron snow happens in the molten iron cores of some planetary bodies. Cooling near ...
Planetary Sciences
Jan 3, 2024
0
53
For decades, science fiction authors have imagined scenarios in which life thrives on the harsh surfaces of Mars or our moon, or in the oceans below the icy surfaces of Saturn's moon Enceladus and Jupiter's moon Europa. But ...
Astronomy
Dec 29, 2023
0
150
The OSIRIS-REx mission is NASA's first mission to collect samples from an asteroid—in this case 101955 Bennu—and return to Earth.
Planetary Sciences
Nov 15, 2023
0
32
The cars, cellphones, computers and televisions that people in the U.S. use every day require metals like copper, cobalt and platinum to build. Demand from the electronics industry for these metals is only rising, and companies ...
Planetary Sciences
Nov 3, 2023
0
11
Dunes, the mounds of sand formed by the wind that vary from ripples on the beach to towering behemoths in the desert, are incarnations of surface processes, climate change, and the surrounding atmosphere. For decades, scientists ...
Earth Sciences
Aug 2, 2023
0
43
A new technique for detecting planetary craters that will allow scientists to accurately map the surfaces of planets using different types of data could be used in future space missions.
Astronomy
May 1, 2023
0
216
An asteroid big enough to wipe out a city will zip harmlessly between Earth and the moon's orbit this weekend, missing both celestial bodies.
Planetary Sciences
Mar 23, 2023
0
141
Is there life in Martian caves?
Astrobiology
Nov 16, 2022
0
71