Anyone familiar with the search for alien life will have heard of the "Goldilocks Zone" around a star. This is defined as the orbital band where the temperature is just right for liquid water to pool on a rocky planet's surface—a ...
Astrobiology
Mar 5, 2026
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Researchers at Nagoya University in Japan have conducted the most detailed simulation of the interior of stars and disproved a theory scientists have believed for 45 years: that stars switch their rotation patterns as they ...
Astronomy
19 hours ago
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NASA's Curiosity Mars rover discovered these bumpy, pea-sized nodules while exploring a region filled with boxwork formations—low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy hollows in between. This ...
Planetary Sciences
Mar 1, 2026
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Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern Hemisphere (HARPS-N), an international team of astronomers has discovered a hot sub-Neptune exoplanet ...
In this age of Mars rovers, questions about the planet's ancient past have shifted. A growing body of evidence supports the idea that Mars was once warm and wet. Now researchers are focused on the timeline of the red planet's ...
Planetary Sciences
Mar 1, 2026
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"Sunlight" beams off a partly cloudy Atlantic Ocean just after sunrise as the International Space Station orbited 263 miles above on March 5, 2025. This is an example of sunglint, an optical phenomenon that occurs when sunlight ...
Planetary Sciences
Mar 2, 2026
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Just a few days in simulated microgravity can subtly change the way women's blood clots, sparking bigger questions about health monitoring protocols for astronauts who can spend six months or more in orbit, say Simon Fraser ...
Space Exploration
Mar 4, 2026
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Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new Johns Hopkins University study finds. The work demonstrates that a certain hardy bacterium easily ...
Astrobiology
Mar 3, 2026
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Here's a thought experiment that keeps planetary scientists awake at night. Strip every living thing from our planet, every bacterium, every blade of grass, every creature that has ever drawn breath and ask a simple but profound ...
Astrobiology
Mar 2, 2026
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Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly bound stars. This quadruple star system is described in a new study, published in Nature Communications, ...
