All kinds of exoplanets orbit very close to their star. Some look like the Earth, others like Jupiter. Very few, however, are similar to Neptune. Why this anomaly in the distribution of exoplanets? Researchers from the University ...
Planetary Sciences
Jan 18, 2023
0
33
A new theory for how rocky planets form could explain the origin of so-called "super-Earths"—a class of exoplanets a few times more massive than Earth that are the most abundant type of planet in the galaxy.
Planetary Sciences
Jan 12, 2023
1
592
Researchers have confirmed the presence of an exoplanet, a planet that orbits another star, using the NASA/ESA/CSA James Webb Space Telescope for the first time. Formally classified as LHS 475 b, the planet is almost exactly ...
Astronomy
Jan 11, 2023
0
1808
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
If you close your eyes and imagine a system of planets orbiting a distant star, what do you see?
Astronomy
Jul 22, 2022
0
4
The first ever exoplanets were discovered 30 years ago around a rapidly rotating star, called a pulsar. Now, astronomers have revealed that these planets may be incredibly rare. The new work will be presented tomorrow (Tuesday ...
Astronomy
Jul 11, 2022
0
2137
A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as they form. The work is published ...
Planetary Sciences
Jun 16, 2022
1
1288
The violent death throes of a nearby star so thoroughly disrupted its planetary system that the dead star left behind—known as a white dwarf—is sucking in debris from both the system's inner and outer reaches, UCLA astronomers ...
Astronomy
Jun 16, 2022
2
2950
If life is abundant in the universe, atmospheric methane may be the first sign of life beyond Earth detectable by astronomers. Although nonbiological processes can generate methane, a new study by scientists at UC Santa Cruz ...
Astrobiology
Mar 28, 2022
1
731
Major smashups between rocky bodies shaped our solar system. Observations of a similar crash give clues about how frequent these events are around other stars.
Astronomy
Mar 18, 2022
0
410
