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Earth & Space

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A mysterious object in our Galaxy pulses every 76 seconds

Neutron stars are extremely dense remnants of massive star explosions (supernova). They measure about 20 km in diameter and a teaspoon of neutron star material would weigh 4 billion tons on Earth. We currently know of about 3,000 of these in our own Galaxy. Neutron... click to read more

Views 1945
Reading time 3 min
published on Aug 9, 2023
Of Microbes and Megastorms

When you think of living creatures, the first things that come to mind are probably lush plants and big animals. However, most lifeforms on Earth are microscopic, and for most of the Earth’s history, such microbes ruled the planet. Plants and animals have only been... click to read more

Views 1648
Reading time 3.5 min
published on Aug 7, 2023
Nitrogen is becoming less available in ecosystems around the world

You probably don’t spend much time thinking about nitrogen. If you do, maybe you think of it as a pollutant. Fertilizer running off farm fields, livestock manure giving off ammonia, and burning fossil fuels all add nitrogen to the environment. This nitrogen contributes to the... click to read more

  • Rachel Mason | Research Scientist at Arizona State University
Views 1716
Reading time 3 min
published on Jul 28, 2023
Agriculture and climate change driving worldwide insect declines

Insects are critical for the functioning of life on earth. They support the provisioning of a wide variety of ecosystem services including pollination, pest control and decomposition. Therefore, the growing number of peer-reviewed studies publishing reports of steep insect declines should be of pressing concern.... click to read more

Views 1676
Reading time 3 min
published on Aug 2, 2023
Introducing the Micronova

The Transiting Exoplanet Survey Satellite (TESS) operating since 2018, monitors the brightness variations of hundreds of thousands of objects in the sky. Amongst the targets we monitor are a few hundred accreting white dwarfs. Three of these have revealed rapid and energetic bursts of light... click to read more

Views 5506
Reading time 3 min
published on Jul 24, 2023