Astronomy
Astronomers Have Found Planet 9… in Another Solar System
Even with all we've learned about our own Solar System, especially in the last couple of decades, researchers still face…
China’s Chang’e-5 Probe Drops Off Moon Samples at the Climax of a Historic Mission
A Chinese probe has delivered the first samples to be collected from the Moon in more than 40 years, and…
A second set of even larger bubbles has been found blasting out of the Milky Way’s center
The first-ever all-sky X-ray map of our galaxy, provided by the ESA's eROSITA spacecraft, reveals two massive bubbles. These bubbles…
Gravitational interactions can drive comets and asteroids from Jupiter out to Neptune in just 10 years
Distances in the solar system are vast, and it typically takes millions of years for small bodies to migrate from…
Catch an Awe-Inspiring Great Conjunction of Jupiter and Saturn on December 21st
The solar system’s two massive gas giant planets pair up at dusk on December 21st, with a rare conjunction of…
If We Used the Sun as a Gravitational Lens Telescope, This is What a Planet at Proxima Centauri Would Look Like
A recent study shows how the Sun could be used as a gravitational lens to take direct images of nearby…
Is There a way to Detect Strange Quark Stars, Even Though They Look Almost Exactly Like White Dwarfs?
If quark matter stars exist, they could look like white dwarfs that are unusually small.
Comet Records From 1240 Accurately Date When a Byzantine Princess Died
Rome was the world's first mega-empire. At its height it stretched from Western Europe to the Middle East, and over…
Why 2020 is a Great Year for the Geminid Meteors
Got clear skies? Then bundle up: the Geminid meteors—one of the best, sure-fire annual meteor showers—peaks this weekend… and near…
Black Holes Gain new Powers When They Spin Fast Enough
Fast spinning black holes could have features different from those predicted by general relativity.