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Astronomy May 05, 2021

Machine learning accelerates cosmological simulations

A universe evolves over billions upon billions of years, but researchers have developed a way to create a complex simulated universe in less than a day. The technique, published in this week's Proceedings of the National ...

Space Exploration May 04, 2021

Wine that went to space for sale with $1 million price tag

The wine is out of this world. The price is appropriately stratospheric.

Astronomy May 04, 2021

Study places new constraints on the time variation of gravitational constant G

Past physics theories introduced several fundamental constants, including Newton's constant G, which quantifies the strength of the gravitational interaction between two massive objects. Combined, these fundamental constants ...

Space Exploration May 04, 2021

Parker discovers natural radio emission in Venus' atmosphere

During a brief swing by Venus, NASA's Parker Solar Probe detected a natural radio signal that revealed the spacecraft had flown through the planet's upper atmosphere. This was the first direct measurement of the Venusian ...

Earth Sciences May 03, 2021

Previously unrecognized tsunami hazard identified in coastal cities

A new study found overlooked tsunami hazards related to undersea, near-shore strike-slip faults, especially for coastal cities adjacent to faults that traverse inland bays. Several areas around the world may fall into this ...

Space Exploration May 03, 2021

Lessons learned from a simulated asteroid strike

In an alternate reality playing out at this year's international Planetary Defense Conference, a fictional asteroid crashes over Europe, 'destroying' a region about 100 km wide near the Czech Republic and German border. The ...

Astronomy May 03, 2021

Search for 'dark energy' could illuminate origin, evolution, fate of universe

The universe we see is only the very tip of the vast cosmic iceberg.

Earth Sciences May 03, 2021

What are 'internal waves' that possibly sank the Indonesian sub?

Last week might have been the first time you ever heard of "internal waves"—the phenomenon suspected of causing the tragic sinking of the Indonesian submarine KRI Nanggala the previous week, resulting in the deaths of the ...

Earth Sciences Apr 30, 2021

Glacier avalanches more common than thought

One tends to think of mountain glaciers as slow moving, their gradual passage down a mountainside visible only through a long series of satellite imagery or years of time-lapse photography. However, new research shows that ...

Plants & Animals Apr 29, 2021

Mammals' brains: New research shows bigger doesn't always mean smarter

If a friend boasts of having a "big-brained" dog, your reaction is probably not to ask "relative to what?" You would simply assume your friend thinks their dog is pretty smart. But are we always right to equate big brains ...

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