Are we alone? If advanced alien civilizations are out there, why haven't we heard from them? Scientists call this Fermi's Paradox - aka The Great Silence - and they gathered in Paris last week to discuss it. Read more.
Last December 18, a big "fireball" or bright meteor exploded above the Bering Sea with more than 10 times the energy of the atomic blast over Hiroshima. Satellites saw it all. Read more.
It's the brightest star in Earth's sky, so spectacularly bright that you might see glints of different colors radiating from it. But is Sirius so bright because it's an extremely powerful star? Read more.
View at EarthSky Community Photos. | Emma Monica Andrici took this photo on the morning of March 19 in Kolding, Denmark. She wrote, "Beautiful golden dawn, with peace doves resting on the lamps." Thanks, Emma!
