Professor Amri Wandel, from Hebrew University of Jerusalem, has unveiled research that promises to redefine our comprehension of habitable exoplanets. In a recent study published in The Astronomical Journal, Professor Wandel ...
Astrobiology
Nov 9, 2023
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41
With last year's undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. But it didn't happen.
Earth Sciences
Nov 1, 2023
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66
Giant gas planets can be agents of chaos, ensuring nothing lives on their Earth-like neighbors around other stars. New studies show, in some planetary systems, the giants tend to kick smaller planets out of orbit and wreak ...
Astronomy
Oct 31, 2023
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83
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
A group of three researchers earned the 2023 Nobel Prize in physics for work that has revolutionized how scientists study the electron—by illuminating molecules with attosecond-long flashes of light. But how long is an ...
General Physics
Oct 4, 2023
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27
The Giant Magellan Telescope begins the four-year process to fabricate and polish its seventh and final primary mirror, the last required to complete the telescope's 368 square meter light collecting surface, the world's ...
Astronomy
Sep 26, 2023
3
388
Around 15 years ago, I was on a European Space Agency (Esa) committee, looking at Esa's strategy for proposed forthcoming space missions. Under consideration was a mission to an asteroid. Over dinner, one of the committee ...
Planetary Sciences
Sep 22, 2023
0
2
When I was a college student, I worked at the Charlevoix Astronomical Observatory in Québec.
Astrobiology
Sep 19, 2023
0
8
Stishovite has the same chemical formula as silica quartz (SiO2) but it has much higher density. While SiO2 is abundant on Earth's crust, it is also a major component of basalt, a type of igneous rock that is rich in iron ...
A recent study published in Nature examines how mud cracks observed on Mars by NASA's Curiosity rover could provide insight into how life on the red planet could have formed in its ancient past.
Planetary Sciences
Aug 29, 2023
1
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