How the runaway greenhouse gas effect can destroy a planet's habitability — including Earth's

NASA laser-beams adorable cat video to Earth from 19 million miles away (video)

NASA's Asteroid-Hunting Telescope Is Being Dragged Down by the Sun | After discovering more than 200 near-Earth objects over the past 10 years, NEOWISE's remarkable record in infrared astronomy is sadly nearing its end.

This alien planetary system has a Jupiter world 99 times wider than Earth