Earth due for “extinction-level” event…

VIA Earth is due for an “extinction-level” event from the sky, and even if we see it coming, we won’t be able to do anything about it, a NASA scientist said Monday. Speaking at a meeting in San Francisco, Dr. Joseph Nuth of NASA’s Goddard Space Flight Center said large asteroids and comets, the type […]

Here’s what happens when two black holes collide…

Via Last September, a small chirp rattled a pair of L-shaped antennas for the first time. That’s the sound you hear when there’s a ripple in the fabric of space and time – a gravitational wave. The wave is caused by two black holes colliding, circling each other at half the speed of sound, tugging […]