Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Is this region empty of stars?
Meet the Coalsack Nebula, a cloud of dust and gas in space - birthplace for new stars. In millions of years, the Coalsack's stars will light up and shine brightly.
October 17, 2015
Seeing a jet’s shock wave
If you could see the shock wave from a jet moving faster than sound, this is what it would look like.
October 13, 2015
Wonderful solar halo over Croatia
High above Earth, tiny ice crystals create halos by refracting and reflecting the light of the sun or moon.
October 12, 2015
Best photos: Amazing moon and planets October 7-11
Best photos of the moon's glorious sweep past the planets Venus, Jupiter, Mars and Mercury. Photos from EarthSky friends. October 7, 8, 9, 10 and 11.
October 11, 2015
Traveling at warp speed through aurora territory
Fun photo from a great nature photographer, Göran Strand in Sweden.
October 9, 2015
Planets, east before dawn, October 2, 2015
Don't miss these bright planets in the east before dawn. They'll perform an intricate dance throughout October, 2015.
October 4, 2015
Stars over Mount Rainier
A beautiful place to see the night sky and contemplate nature's power.
October 3, 2015
Planets, east before dawn
Brightest planets Venus and Jupiter are up before dawn now. Mars is there, too. Mercury will soon join. During October ... wow! They're going to put on a show.
October 2, 2015
Hurricane Joaquin, 5 a.m., October 1, 2015
Hurricane Joaquin will batter the central Bahamas with hurricane force winds, storm surge and heavy rain through tonight.
October 1, 2015
