Is or was there life on Mars? That profound question is so complex that it will not be fully answered by the two NASA rovers now exploring it.
Astrobiology
Mar 12, 2024
0
16
It's easy to measure fuel in tanks on Earth, where gravity pulls the liquid to the bottom. But in space, the game changes. Quantifying fuel that's floating around inside a spacecraft's tank isn't so simple.
Space Exploration
Feb 6, 2024
1
1
Establishing sustained operations at the moon and Mars presents a multitude of opportunities and challenges NASA has yet to encounter. Many of these activities require new technologies and processes to ensure the agency is ...
Space Exploration
Jan 12, 2024
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17
Debris disks are quite common in the universe. Young stars have protoplanetary disks from which planets form. Black holes have accretion disks that are the source of the galactic jets. Supernova remnants can form a disk around ...
Astronomy
Oct 23, 2023
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9
Data from the James Webb Space Telescope (JWST) has shown that an exoplanet around a star in the constellation Leo has some of the chemical markers that, on Earth, are associated with living organisms. But these are vague ...
Astrobiology
Sep 16, 2023
5
153
Perseverance, a NASA rover, is collecting rocks on the surface of Mars, more than 200 million kilometers away. Though they could eventually become the most valuable rocks on Earth, the rover has limited space for these samples. ...
Planetary Sciences
May 2, 2023
0
47
More and more miniature satellites are being launched every year, driving up demand for smaller rockets.
Space Exploration
Apr 11, 2023
0
57
The sound of a dust devil on Mars was recorded for the first time as the eye of the whirlwind swept over the top of NASA's Perseverance rover, a new study said Tuesday.
Planetary Sciences
Dec 18, 2022
0
135
Four billion years ago, the solar system was still young. Almost fully formed, its planets were starting to experience asteroid strikes a little less frequently. Our own planet could have become habitable as long as 3.9 billion ...
Astrobiology
Nov 3, 2022
8
21
Scientists are discovering increasing numbers of planets in other galaxies that resemble our own. What gives them away? Expert Jérémy Leconte takes a look.
Astronomy
Oct 24, 2022
0
45
