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This short video puts modern extinctions in context by comparing them with Earth’s 5 previous mass extinctions.
Water plumes erupting on Jupiter’s moon Europa might make it easier to investigate whether life exists in the warm ocean believed to be deep beneath its icy surface.
Why does time flow inexorably toward the future? A Berkeley physicist proposes that time is expanding because space is expanding.
The spacecraft will plunge repeatedly between Saturn and its rings, and finally execute a headlong plummet into the body of Saturn itself.
“Sea ice really is their platform for life. They are capable of existing on land for part of the year, but the sea ice is where they obtain their main prey.”
What would Earth be like if all of its ice melted? New short video from the guys at AsapSCIENCE, featuring Bill Nye.
Cassini spacecraft will begin its grand finale at Saturn in 2017. This was one of Cassini’s last close flybys of Saturn’s large moon, Titan.
Brown dwarfs are like stars, but too small to ignite fusion in their cores and so shine as stars do. If you saw one, it wouldn’t be brown. It’d be magenta.
Plus more cool stuff from the Juno spacecraft’s August 27 closest-yet flyby of Jupiter.
The Dawn spacecraft is still orbiting Ceres. It went into an extended mission mode on July 1. Some mission highlights and current thinking, here.
Bright star Deneb transits at nightfall
If we could see Mars in ultraviolet …