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Astronomy & Space news

What ionized the universe?

The sparsely distributed hot gas that exists in the space between galaxies, the intergalactic medium, is ionized. The question is, how? Astronomers know that once the early universe expanded and cooled enough, hydrogen (its ...

date3 hours ago in Astronomy
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Galactic center visualization delivers star power

Want to take a trip to the center of the Milky Way? Check out a new immersive, ultra-high-definition visualization. This 360-movie offers an unparalleled opportunity to look around the center of the galaxy, from the vantage ...

dateMar 21, 2019 in Astronomy
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NASA's Mars 2020 rover is put to the test

In a little more than seven minutes in the early afternoon of Feb. 18, 2021, NASA's Mars 2020 rover will execute about 27,000 actions and calculations as it speeds through the hazardous transition from the edge of space to ...

dateMar 20, 2019 in Space Exploration
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Bright X-ray galactic nuclei

All massive galaxies are believed to host supermassive black holes (SMBH) at their centers that grow by accreting mass from their environment. The current picture also imagines that the black holes grow in size as their host ...

dateMar 18, 2019 in Astronomy
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Cooking up alien atmospheres on Earth

Researchers at NASA's Jet Propulsion Laboratory in Pasadena, California, are cooking up an alien atmosphere right here on Earth. In a new study, JPL scientists used a high-temperature "oven" to heat a mixture of hydrogen ...

dateMar 15, 2019 in Astronomy
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Water in space

Did you know that up to 80% of the water on the International Space Station is recycled? Astronauts living and working 400 km above our planet might prefer not to think about it, but the water they drink is recycled from ...

Exploring Mercury in a new book

Up until 2008, only one spacecraft had ever visited the planet Mercury, and it didn't linger long. NASA's Mariner 10 mission flew past the tiny world three times in the 1970s, giving humanity a helpful but limited glimpse ...

The incredible challenge of landing heavy payloads on Mars

It's too bad Mars is such an interesting place, because it's actually one of the most difficult places to visit in the solar system, especially if you want to bring along a lot of luggage. That planet is a graveyard of missions ...

Taking gravity from strength to strength

Ten years ago, ESA launched one of its most innovative satellites. GOCE spent four years measuring a fundamental force of nature: gravity. This extraordinary mission not only yielded new insights into our gravity field, but ...

Beresheet lunar landing site revealed

The main scientific instrument on board the Israeli Beresheet spacecraft, the SpaceIL Magnetometer (SILMAG), has now been successfully turned on in space and data returned to Earth. After its successful launch, Beresheet ...

Spot failed Soviet Venus probe Kosmos 482 in Earth orbit

A ghost from the old Soviet space program may return to Earth in the coming years. Mimicking a campy episode of the '70s series The Six Million Dollar Man, a Soviet Venus lander stranded in Earth orbit will eventually reenter ...

Image: BioRock and roll

This fluorescent work of art captures the beauty of biofilms, or the growth of microbes on rocks. In this microscopic image, Sphingomonas desiccabilis is growing on basalt.

Team identifies water-bearing minerals on asteroid Bennu

A Southwest Research Institute-led team discovered evidence of abundant water-bearing minerals on the surface of the near-Earth asteroid (101955) Bennu. Using early spectral data from NASA's OSIRIS-REx spacecraft orbiting ...

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EPA adviser is promoting harmful ideas, scientists say
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What can machine learning reveal about the solid Earth?
Not all stem cells are created equal, study reveals
Paleontologists report world's biggest Tyrannosaurus rex

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