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New findings suggest Mercury is contracting, and might be the only other planet in the solar system to experience earthquakes – or “mercuryquakes.”
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.
Cool video! On September 1, the Earth-orbiting Solar Dynamics Observatory caught both Earth and the moon crossing in front of the sun.
These sunset clouds resemble the real dry season fires going on in Zimbabwe at this time of year.
A week ago, a test crew emerged after living for a year in Mars-like conditions inside a solar-powered dome on the slopes of Hawaii’s Mauna Loa volcano.
People go to Yellowstone to see boiling geysers erupt periodically with an awesome, yet very earthly, power. See them in this new video.
No injuries in Thursday’s explosion on a SpaceX launch pad at Cape Canaveral. But Facebook’s planned satellite is no more.
A strong signal from a sunlike star sparked speculation this week that we might – at last – have heard from an alien civilization. Now astronomers say … no.
August 27, 2016 was the conjunction of Jupiter and Venus. Sky’s 2 brightest planets. Closest conjunction of any 2 planets in 2016.
“A decade ago, this year’s sea ice extent would have set a new record low …Now, we’re kind of used to these low levels of sea ice – it’s the new normal.”
It’s purple! An underwater research team spotted this guy off the coast of California.
Black Moon on September 30?
Star party ahead