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Posts by
Editors of EarthSky
Surprise! Earth’s core has a core
Researchers have found that the Earth’s inner core has an inner core of its own ... smaller than the moon.
February 10, 2015
Stunning view of Antarctica’s tallest volcano
Along Antarctica's Pacific coast, a chain of volcanoes jut from the ice sheet. The tallest of these is Mount Sidley. Here's a satellite view.
February 10, 2015
This date in science: First modern suspension bridge completed
It crossed a dangerous strait between Wales in western Great Britain - and an island that had become a place to catch the ferry to Ireland.
January 30, 2015
Astronomers discover oldest known Earth-sized planets yet
When our sun and planets were born, the Kepler-444 system was already older than our solar system is now.
January 29, 2015
Hear the birth of an iceberg
Different types of ice loss from glaciers produce distinct rumbles, snaps and splashes as icebergs are born. Have a listen!
January 29, 2015
View from space: India by night and by day
Two photos taken by ISS astronauts - one at night and the other in daylight - show the peninsula of southern India.
January 28, 2015
Stunning panorama from Opportunity rover on Mars marks 11th year
A panoramic view of the desert world next door, from one of the highest elevations reached by the Mars rover Opportunity in its 11 years on the Red Planet.
January 27, 2015
Is our Milky Way a wormhole?
In theory, our home galaxy Milky Way could be a wormhole - a galactic transport system - says a team of astrophysicists.
January 24, 2015
Venus vortex!
This ghostly puff of smoke is actually a huge mass of swirling gas and cloud at planet Venus’ south pole, as seen by ESA’s Venus Express spacecraft.
January 21, 2015
Video: How the smell of rain happens
When a raindrop hits a surface, tiny air bubbles burst from the drop in a fizz of aerosols. Watch the high-speed video.
January 20, 2015
