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A scuba diver observes the purple, white and green microbes covering rocks in Lake Huron's Middle Island Sinkhole.

Michigan's Lake Huron sinkhole is a window into how Earth's earliest forms of life diversified

A rare species thought to be extinct is clinging to survival, study finds

From Stanford press release: Researchers observed bright flares of X-ray emissions, produced as gas falls into a supermassive black hole. The flares echoed off of the gas falling into the black hole, and as the flares were subsiding, short flashes of X-rays were seen -- corresponding to the reflection of the flares from the far side of the disk, bent around the black hole by its strong gravitational field. (Image credit: Dan Wilkins)

Light detected behind a black hole for the first time

Researchers looking toward the massive speleothem of Cueva Ardales, with archaeological trench in the foreground.

Neanderthals were painting caves in Europe long before modern humans, study finds

This illustration shows the distant Comet Bernardinelli-Bernstein as it might look in the outer Solar System. Comet Bernardinelli-Bernstein is estimated to be about 1000 times more massive than a typical comet, making it arguably the largest comet discovered in modern times. It has an extremely elongated orbit, journeying inward from the distant Oort Cloud over millions of years. It is the most distant comet to be discovered on its incoming path.

Massive comet discovery dwarfs all others

Illustration of Artemis astronauts on the Moon.

Blue Origin protest of NASA's SpaceX moon contract denied

Saturn will shine its brightest this year in early August.

Saturn will glow brightly in the sky next week. Here's how to see it

Well-preserved vermiform microstructure exhibits a polygonal meshwork of anastomosing, slightly curved, approximately tubules embedded in calcite microspar.

New find shows animal life may have existed millions of years before previously thought

Left: Bone assemblage from burial n. 241a (adult female individual). Right: Bones attributable to both foetuses (n. 241b and 241c).

Ancient cemetery findings include Bronze Age woman and her twin babies

Ancient finds

The Delta Aquariids meteor shower peaks near July's end. Here's how to watch

This image presents an artist's impression of Jupiter's moon Ganymede. Astronomers have used archival datasets from the NASA/ESA Hubble Space Telescope to reveal the first evidence for water vapour in the atmosphere of Jupiter's moon Ganymede, the result of the thermal escape of water vapour from the moon's icy surface.

Hubble finds water vapor around Jupiter's moon Ganymede

2E83K7K Dog-day Cicada - Neotibicen canicularis
September 9th, 2018
Brandon, South Dakota

Brood X had a good run, but now the annual cicadas are taking center stage

Artist's impression of the internal structure of Mars.

Marsquakes reveal the mysterious interior of the red planet