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Astronomy Jul 11, 2024

Nearest millisecond pulsar has radius of 11.4 kilometers and is 1.4x as heavy as the sun, researchers find

The nearest millisecond pulsar PSR J0437-4715 has a radius of 11.4 kilometers and a mass 1.4 times that of the sun. These are the results of precision measurements made by a team of researchers led by the University of Amsterdam ...

Earth Sciences Jul 11, 2024

Researchers investigate influences of flash droughts

Droughts evoke images of months to years of dry, dangerous conditions caused by minimal rain. While this captures traditional droughts, similar conditions can occur in a matter of weeks or even days.

Astronomy Jul 11, 2024

Astronomers discover dozens of double-lined double white dwarf binaries

An international team of astronomers reports the discovery of 34 rare double-lined double white dwarf binary systems using the Intermediate-dispersion Spectrograph and Imaging System (ISIS) on the William Herschel Telescope ...

Earth Sciences Jul 11, 2024

Canadian wildfire smoke dispersal worsened by coincident cyclones, study suggests

Wildfires are unplanned and unpredictable threats to Earth; while we may intuitively relate them to extreme heat at lower latitudes, they are known to occur in Arctic regions, such as those recently ravaging Russia.

Plants & Animals Jul 10, 2024

Surfing NASA's internet of animals: Satellites study ocean wildlife

Anchoring the boat in a sandbar, research scientist Morgan Gilmour steps into the shallows and is immediately surrounded by sharks. The warm waters around the tropical island act as a reef shark nursery, and these baby biters ...

Earth Sciences Jul 10, 2024

Fires and climate are changing. The science must change as well, says paper

A new paper on the many ways wildfires affect people and the planet makes clear that as fires become more intense and frequent, the urgency for effective and proactive fire science grows. By addressing these challenges, the ...

Earth Sciences Jul 10, 2024

Meteorological study provides enhanced understanding of tropical atmospheric waves

In a new meteorological study, an international team of researchers from the University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science, the European Centre for Medium-Range Weather Forecasts (ECMWF; ...

Planetary Sciences Jul 10, 2024

Mars likely had cold and icy past, new study finds

The question of whether Mars ever supported life has captivated the imagination of scientists and the public for decades. Central to the discovery is gaining insight into the past climate of Earth's neighbor: Was the planet ...

Planetary Sciences Jul 10, 2024

A midsummer red sprite seen from space

NASA astronaut Matthew Dominick photographed red sprites in Earth's upper atmosphere from the International Space Station on June 3, 2024. The bright red flashes are a less understood phenomena associated with powerful lightning ...

Environment Jul 10, 2024

Living in a 'mass extinction'

What does it mean to be living through Earth's 6th mass extinction event? How does it feel to be living through one of the most calamitous events in this planet's history? And what are we supposed to do?

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