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How to keep Earth from being cooked by the ever-hotter Sun

Here are two options for future humans to keep us in the habitable zone. I’d wager a guess that we are, as a species, rather fond of our home planet (our wanton carbon emissions notwithstanding). But the ugly truth is that the Eart.....»»

Category: topSource:  arstechnicaApr 16th, 2024

2 million mph galaxy smash-up seen in unprecedented detail

A massive collision of galaxies sparked by one traveling at a scarcely-believable 2 million mph (3.2 million km/h) has been seen in unprecedented detail by one of Earth's most powerful telescopes......»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

Hubble finds sizzling details about young star FU Orionis

In 1936, astronomers saw a puzzling event in the constellation Orion: the young star FU Orionis (FU Ori) became a hundred times brighter in a matter of months. At its peak, FU Ori was intrinsically 100 times brighter than our sun. Unlike an exploding.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Video: Our sun is the star in a new simulation

NASA supercomputers are shedding light on what causes some of the sun's most complex behaviors. Using data from the suite of active sun-watching spacecraft currently observing the star at the heart of our solar system, researchers can explore solar d.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Oldies but goodies: Study shows why elderly animals offer crucial scientific insights

A new study on aging in the animal kingdom has highlighted how urgently Earth's oldest and wisest creatures must be protected, with knowledge and environmental stability lost due to human intervention......»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Staggering temperature rise predicted for the Middle East and North Africa

The Middle East and North Africa, which already include some of the hottest and driest spots on Earth, are undergoing accelerated climate change and will reach warming thresholds two to three decades earlier than the rest of the world, a new study re.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Alien: Earth teaser reveals 2025 release date and a terrifying Xenomorph

The brand-new teaser for Alien: Earth unveils its 2025 release date and previews the horrifying Xenomorph on its way......»»

Category: topSource:  digitaltrendsRelated NewsNov 20th, 2024

Life in the world"s deepest seas: The challenge of finding 1,000 new marine species by 2030

Oceans cover 71% of the Earth's surface, but despite their immense size and impact on the planet, we know very little about them. While many of us might associate the sea with relaxing holidays on tropical beaches, the ocean is nothing but cold, dark.....»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Superior photosynthesis abilities of some plants could hold key to climate-resilient crops

More than 3 billion years ago, on an Earth entirely covered with water, photosynthesis first evolved in ancient bacteria. In the following millions of years, those bacteria evolved into plants, optimizing themselves along the way for various environm.....»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Predicting the next supernova explosion: New simulations reveal the physics of supernova shock breakout

Stars with masses between 10 and 30 times that of the sun, in their final evolutionary stages, form an iron core that ultimately collapses into a neutron star. This collapse releases a tremendous amount of gravitational potential energy through neutr.....»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Unlocking the secrets of the first quasars: How they defy the laws of physics to grow

In an article published in the Astronomy & Astrophysics journal, new evidence suggests how supermassive black holes, with masses of several billion times that of our sun, formed so rapidly in less than a billion years after the Big Bang......»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Scientists discover the molecular composition of potentially deadly venomous fish

New research in FEBS Open Bio reveals insights into the venom of two of the most venomous fish species on Earth: the estuarine stonefish (Synanceia horrida) and the reef stonefish (Synanceia verrucosa), which are typically found in the warm and shall.....»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Enormous cache of rare earth elements hidden inside coal ash waste, study suggests

Coal ash—the chalky remnants of coal that has been burned for fuel—has been piling up across the United States for decades. But new research led by The University of Texas at Austin has found that the national coal ash supply contains enough rare.....»»

Category: topSource:  pcmagRelated NewsNov 20th, 2024

Microsoft Flight Simulator 2024 arrives with a “full digital twin” of Earth

Machine learning generates the closer-up ground in this very big sequel. Microsoft Flight Simulator 2024 is out today (Xbox/PC, Steam), and it packs in a whole lot of simulation......»»

Category: topSource:  arstechnicaRelated NewsNov 19th, 2024

Video: Proba-3"s journey to see the sun"s corona

The double-satellite Proba-3 is the most ambitious member yet of ESA's Proba family of experimental missions. Two spacecraft will fly together as one, maintaining precise formation down to a single millimeter......»»

Category: topSource:  physorgRelated NewsNov 19th, 2024

Watch this stunning aurora unfold from 257 miles above Earth

Stunning footage captured from the International Space Station shows a glorious-looking aurora shimmering above Earth......»»

Category: topSource:  digitaltrendsRelated NewsNov 19th, 2024

Statistical approach improves models of atmosphere on early Earth and exoplanets

As energy from the sun reaches Earth, some solar radiation is absorbed by the atmosphere, leading to chemical reactions like the formation of ozone and the breakup of gas molecules. A new approach for modeling these reactions, developed by a team led.....»»

Category: topSource:  physorgRelated NewsNov 19th, 2024

Volcanic caves research advances the search for life on Mars

Through the intricate study of lava tubes—caves formed following volcanic eruptions when lava cools down—an international team of researchers has uncovered clues about Earth's ancient environments that could be significant in the search for life.....»»

Category: topSource:  physorgRelated NewsNov 18th, 2024

US flood governance drives social inequity, and maybe the next housing market crash

A recent study published in Communications Earth & Environment looked at the current US National Flood Insurance Program, and how, without drastic changes, another housing crash could be on the horizon......»»

Category: topSource:  physorgRelated NewsNov 16th, 2024

NASA satellites reveal abrupt drop in global freshwater levels

An international team of scientists using observations from NASA-German satellites found evidence that Earth's total amount of freshwater dropped abruptly starting in May 2014 and has remained low ever since. Reporting in Surveys in Geophysics, the r.....»»

Category: topSource:  physorgRelated NewsNov 15th, 2024

The Arecibo Message, Earth’s First Interstellar Transmission, Turns 50

In 1974 we beamed a radio transmission into space that changed the way we think about our place in the cosmos.....»»

Category: scienceSource:  sciamRelated NewsNov 15th, 2024