The Milky Way over the Atlantic at the Pemaquid Point lighthouse in Bristol, Maine.
Posts by Eleanor Imster
Beautiful July dawn in northeast Alaska’s Thompson Pass.
How and why the octopus, squid, and cuttlefish change colors
NASA’s New Horizons spacecraft will fly through the Pluto system on July 14. It’s only 2 weeks away!
We can’t get enough of the coolness of octopuses here at Earthsky. Watch what this octopus does with coconut shells.
It’s not Disney quality, but these distant worlds are real and 3 billion miles (5 billion km) away.
We are entering a mass extinction that threatens humanity’s existence, says a new study
New research shows that Earth’s core contains vast amounts of sulphur – 90% of our planet’s sulphur – equivalent to 10% of the mass of the moon.
This beautiful stellar jewel-box – a tightly packed cluster of stars – is one of the few places in our galaxy where astronomers think stars can actually collide.
Seven months after it lost contact with Earth, the Rosetta mission’s Philae lander hibernating on comet 67P has woken up and tweeted, “Hello Earth!”