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Get ready for New Horizons’ flyby of Pluto
NASA’s New Horizons spacecraft will fly through the Pluto system on July 14. It's only 2 weeks away!
June 29, 2015
What is the speed of thought?
It feels instantaneous, but how long does it really take to think a thought?
June 29, 2015
SpaceX rocket explodes after launch
It was unmanned, and astronauts aboard the International Space Station still have 4 months of supplies. But it's the third failed cargo mission to ISS in 8 months.
June 28, 2015
Is our universe ringing like a crystal glass?
Two physicists say the universe's expansion has sped up, then slowed down, 7 times since time began. They describe this oscillation as the universe "ringing."
June 26, 2015
Video: Brainy octopus and its coconut
We can’t get enough of the coolness of octopuses here at Earthsky. Watch what this octopus does with coconut shells.
June 26, 2015
Titan’s strange lakes may be sinkholes
What forms the depressions holding liquid hydrocarbon lakes on Saturn's moon Titan? It might be a process similar to that creating caves and sinkholes on Earth.
June 26, 2015
Earthquakes to blame for Mount Sinabung eruptions?
Scientists think there may be a link between the new volcanic activity at Mount Sinabung in Indonesia and three recent megathrust earthquakes.
June 25, 2015
Exoplanet has a comet-like tail Gliese 436b
A Neptune-sized exoplanet is being trailed by an immense cloud of hydrogen. This discovery might also suggest a method for detecting extrasolar oceans.
June 25, 2015
How close to finding alien life?
The search for life beyond Earth has heated up. Here are some of the ways that scientists have been thinking and talking about it, including a definition of new buzzword: biosignatures.
June 25, 2015
Methane in Mars meteorites = life?
Biological processes can produce methane. Its presence in Martian meteorites might mean Mars was or is habitable for microbial life. Or it might not.
June 25, 2015
