Evidence is mounting that the same basic chemistry that made Earth habitable is unfolding, or once unfolded, on Mars. From complex organics to minerals linked with microbial activity, the Red Planet ...
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Has Mars had an effect on Earth's climate?
Stephen Kane, a professor of planetary astrophysics at UC Riverside, was skeptical when he read recent studies that showed the gravitational pull from Mars being connected to Earth's long-term climate ...
On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab. Everything is wired together so well that you rarely think about the ...
Bringing samples from Mars back to Earth is one of NASA's most ambitious goals. The plan goes back to the 1970s, with NASA's robotic exploration program, when the first spacecraft landed on the ...
As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...
Black swans entered the public vernacular in 2007 with the publication of Nassim Nicholas Taleb’s The Black Swan: The Impact of the Highly Improbable. Black swans are unexpected events, outliers ...
Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's orbit and axial tilt. These variations, known as Milankovitch cycles, ...
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