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Astronomers have discovered a super diffuse dwarf galaxy, named Nube, which gives off barely any visible light and seemingly defies explanation.

In and around the Arctic Circle, stunning multicolor clouds have been shining in the sky for days on end. It is very unusual to see so many of these vibrant clouds over such a long period.

An eerily-prefect ring of light was spotted around the full moon in Florida during the recent launch of a SpaceX Falcon 9 rocket, creating a stunning new photo.

Astronomers have discovered a new type of "aurora" created by falling SpaceX rocket boosters that punch temporary holes in the ionosphere. Experts are concerned that these blood-red light shows could be causing unknown problems for astronomy and communication.

MBARI researchers came across a rarely seen dreamer anglerfish off California's coast. Video footage of the alien-looking fish only shows its silhouette because its skin is so dark it absorbs almost all of the light that hits it.

The sky's blueness isn't from reflecting the water. Instead, its color has to do with scattered light.

A striking new image shows bright orange auroras dancing in the night sky above Canada. But auroras should never be this color, so what's going on?

Researchers at the LIGO gravitational wave observatory used a new technique called frequency-dependent squeezing to boost weak signals above quantum noise.

The James Webb Space Telescope has snapped a stunning image of a perfectly formed Einstein ring, which is also the most distant gravitationally lensed object ever detected.

The recent launch of a SpaceX Falcon 9 rocket in California created a gap in Earth's ionosphere, which resulted in a blood-red glow across the sky visible for hundreds of miles.