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Editors of EarthSky
Exoplanets’ water hidden by clouds?
Hot Jupiters have masses like our Jupiter, but orbit their stars closely. They often have cloud or haze layers, which, a new study says, may hide atmospheric water.
June 18, 2016
Night shining clouds from ISS
A view of noctilucent - or night shining - clouds from the International Space Station.
June 9, 2016
Join the fun at ALCon 2016
ALCon 2016 is the national amateur astronomy convention, held this year from August 10-13 in Washington, D.C. Registration is now live!
June 6, 2016
Sky lights over Granite, Colorado
Faint purple aurora borealis, green airglow, and the Milky Way over lights at a dock near Granite, Colorado.
June 4, 2016
Hubble spies a comet’s rotating jet
In March, Comet 252P/LINEAR passed exceedingly near the Earth. These images show the closest celestial object Hubble has observed, other than Earth's moon.
May 24, 2016
Bubble Nebula looks like giant cosmic soap bubble
A new Hubble image captures - in stunning clarity - the Bubble Nebula, a cloud of gas and dust illuminated by the brilliant star within it.
April 23, 2016
Laser cloaking to hide Earth from aliens?
If we wanted to hide Earth from alien civilizations, could we do it? Apparently, we could, according to new work by two scientists at Columbia University.
April 8, 2016
Sea-level rise underestimated by half?
A new study suggests that sea-level rise over the next 100 years could be nearly double earlier estimates.
April 1, 2016
Oddball hot Jupiter has wildly eccentric orbit
Researchers have studied how the exoplanet’s temperature changes as it approaches, sweeps by, and moves away from its star.
March 29, 2016
