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“There are great possibilities in expanding the habitable zone beyond our traditional blinders on that vision where it’s Earth or nothing.” That’s Dr. Cynthia Phillips, a planetary geologist at NASA’s Jet Propulsion Laboratory. She’s currently working on a mission to study Europa, one of Jupiter’s icy moons with a subsurface ocean. Jupiter — and, by […]
NASA has already found tons of exoplanets around nearby stars, and will spot countless more once the James Webb Space Telescope (JWST) launches. The problem is that scientists aren’t exactly sure which planet-star combinations are most likely to support life. A new NASA study has found that planets orbiting small stars like Trappist-1 could retain […]
One way to prevent the Earth’s temperature from rising into a city-drowning, hurricane-strengthening, heat-stroke–triggering danger zone is to immediately switch from fossil fuels to renewable energy sources. At the moment, that transition seems unlikely. So scientists and tech innovators are also investigating various forms of geoengineering — an approach that involves transforming the Earth’s clouds and skies in ways that […]
Enlarge / This fracture with discoloration may provide an indication of groundwater intrusion later in the history of Gale Crater. (credit: NASA) Gale Crater, the site being explored by the Curiosity rover, was chosen as a landing site because its structure and composition suggested that it might preserve information about Mars’ past. As Curiosity climbed […]
Contact with extraterrestrial life would be an epochal event. Even the discovery of a simple alien organism would be transformative, giving us unprecedented insight into how life forms on Earth and other planets. Yet, there’s exactly zero proof that life exists beyond this world — not one alien germ, spore or cell, let alone an […]
When you imagine what a rocky, habitable planet looks like, it’s easy to picture an alternate Earth where land and oceans exist in an ideal balance. Unfortunately, that’s not necessarily how it will pan out in real life… in fact, you might be surprised if there’s land at all. University of Barcelona researcher Fergus Simpson […]
