When two worlds collide, they leave more than the shambles of dusty ejecta. Astronomers have detected light from a post-collision remnant, providing the best evidence so far for planetary-scale ...

NASA’s Spitzer Space Telescope has picked up on what seems to be evidence of two planets impacting and then exploding in a oh-dear-God-it’s-like-the-Death-Stars-all-over-again-no-no-nooooooooooo way.

“The James Webb Telescope: Are We Alone?” on The Whole Story With Anderson Cooper offers an inside look at the most powerful telescope ever built. The show premieres Sunday, June 16, at 8 p.m. ET/PT ...

Austin, TX — Astronomers announced today that a mystery object orbiting a star 170 light-years from Earth might have formed from the collision and merger of two protoplanets. The object, known as ...