At a Glance Apollo 8 entered lunar orbit on Dec. 24, 1968.While photographing the moon's surface, Bill Anders saw the Earth rising over the lunar horizon.Later that evening, the crew read from the book of Genesis in a live TV broadcast. Fifty years ago Monday, Dec. 24, 1968, three astronauts saw a view of Earth that no human had seen before. On that Christmas Eve, the crew of — Frank Borman, Bill Anders and Jim Lovell — were circling the...

A meteor streaks across the night sky during the Geminid Meteor Shower over Harishchandra Fort on December 15, 2018, in Ahmednagar, India. (Pratik Chorge/Hindustan Times via Getty Images) At a Glance There will only be one total solar eclipse in 2019.There will be five lunar eclipses and three solar eclipses in 2019. As 2019 draws closer, star-gazing aficionados are gearing up for what promises to be a celestially spectacular year ahead. Of course, the Perseids and Geminids meteor showers are...

At a Glance The meteor exploded this summer with 2.1 kilotons of energy about 24 miles north of the U.S. Thule Air Force Base.Tremors were picked up from as far away as 218 miles from the impact location. A meteor that exploded over Greenland this summer was so powerful that it shook the ground and was picked up by seismic sensors. Residents in Qaanaaq, Greenland, reported seeing a bright light in the sky and feeling the earth shake around 8...