No new large planet on the outskirts of our solar system has yet been discovered, although evidence is building, astronomers say. By the way, if Planet 9 does exist … it’s definitely not headed our way.
Artist's concept of an unknown large planet, far from its sun, via NASA.
If you understand how a trampoline works, you’ll be able to understand what gravitational waves are.
Trampolines: fun and educational. Image via cotrim/pixabay.
On Monday, LIGO and Virgo announced the 1st detection of gravitational waves produced by colliding neutron stars, and 1st observed in both gravitational waves and light. “It ushers in a new era in astronomy.”
Artist’s concept of the explosive collision of two neutron stars. Illustration by Robin Dienel courtesy of the Carnegie Institution for Science.
Social media was buzzing on Monday with photos and accounts of the red sun over the UK. British weather forecasters said it was dust from the Sahara, raised via Hurricane Ophelia.
Red sun over UK on October 16, 2017 by Colin Cradock, via BBC.
Dwarf planet Haumea – which orbits our sun in Pluto’s realm of the solar system – has become the first trans-Neptunian object known to be encircled by a ring.
Artist concept of Haumea, with the correct proportions of the main body and the ring. The ring is at a distance of 2287 kilometers from the center of the main body and is darker than the surface of the dwarf planet itself. Image via Institute of Astrophysics of Andalusia.
Details on the annual Orionid meteor shower. How and when to watch. In 2017, the peak morning is probably October 21. But start watching now, before dawn!
Joe Randall created this composite shot of the Orionid meteor shower from images taken on October 21, 2014. Thanks, Joe!
Hundreds of species hitched a ride on debris from the 2011 Japanese tsunami for a 4,400-mile journey across the Pacific Ocean.
An Asian amur sea star found on the Oregon coast. Image via Oregon State University.
A night sky timelapse by Jack Fusco featuring frozen lakes, fog inversions, and of course the northern lights!
A new study shows how large volcanic eruptions cool tropical Africa, spawning El Niño events.
Mount Pinatubo eruption 1991. Image via Volquake.weebly.