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Posts by
Editors of EarthSky
Most Earthlike exoplanet is uninhabitable
Kepler-438b - 470 light years from Earth - ranks highest on the Earth Similarity Index. But radiation from its violent parent star makes it uninhabitable.
November 18, 2015
Mars rover heads for active dunes
No Mars rover has yet visited a sand dune, as opposed to smaller sand ripples or drifts. Curiosity will visit actual Mars dunes in the next few days.
November 17, 2015
Video: Why your body is amazing
Some fun for a Friday, from the guys at AsapScience.
November 13, 2015
An ocean in the sky
The star Fomalhaut shines in lonely splendor on these November evenings. Look south from the Northern Hemisphere - more overhead from the Southern Hemisphere. The region of the sky around Fomalhaut is known as a celestial ocean.
November 7, 2015
Solar wind likely stripped Martian atmosphere
Mars was once warm and wet, say scientists. But most of the water from its atmosphere was likely stripped away by solar winds.
November 6, 2015
Peeling back layers of a warm Neptune
Astronomers have discovered an immense hydrogen cloud streaming off a Neptune-sized exoplanet. The planet's atmosphere is evaporating, say scientists.
November 3, 2015
Life on Earth began 4.1 billion years ago, says study
New evidence suggests that life on Earth began 300 million years earlier than previously documented, pushing the origin of life close to when the planet formed.
October 27, 2015
Moon over Metéora monastery in Greece
Last night's rising moon behind a Greek monastery first settled in the 11th century.
October 27, 2015
Stars reflecting in the Limfjord
Taken from the island of Mors, in the shallow sound called Limfjorden in Denmark.
October 26, 2015
