Research - page 3

betelgeuse near supernova eso

Red supergiant star Betelgeuse may be getting ready to explode into a giant supernova

Betelgeuse, one of the brightest stars in the night sky, has been dramatically dimming recently, indicating that it's about to enter its last phase of life before finally exploding into a supernova. Some scientists believe that Betelgeuse may be ready to go...

January 05, 2020

drought ft img

Ancient tree rings reveal past megadroughts hit North and South America simultaneously

Scientists have suspected for many years that decades-long droughts occurred in North and South America simultaneously during the Middle Ages. By studying ancient tree rings, pieces of evidence have been discovered that tandem droughts are common over the past 1 200...

January 04, 2020

india deccan traps dec 28 2019

Deccan Traps volcanism had long-lasting climate, ecological impacts

Massive volcanic eruptions in India's Deccan Traps had climatic and ecological impacts that were global, long-lasting, and profound, according to a study by researchers from the University of Michigan (UM) in the US. Deccan Traps are known to have contributed to...

December 28, 2019

mass extinctions natgeo 2019

Study suggests current loss of species should be called the 'seventh extinction'

The biodiversity crisis we experience today-- defined by the rapid loss of species and rapid degradation of ecosystems-- is believed to be the sixth mass extinction. However, some scientists say it should perhaps be called seventh, suggesting the inclusion of the...

December 23, 2019

subx model featuredimg

SubX: Researchers present project that can significantly improve monthly weather forecasts

A critical gap in the weather forecast system is being filled through the Sub-seasonal Experiment or SubX project which aims to provide improved forecasts to the National Weather Service (NWS). Scientists working on the next frontier of weather forecasting said they...

December 20, 2019

ryugu impact craters

Impact crater analysis of Ryugu reveals the asteroid's geological history

Analysis of the impact craters on the asteroid Ryugu using Hayabusa 2's remote sensing image data has revealed the geological history of the near-Earth object. The research team, led by assistant professor Naoyuki Hirata of the Department of Planetology at Kobe...

December 20, 2019

year of darkness 536 AD_002

Undersea volcanism as the cause of 'year of darkness' and upheaval period from 536 - 555 A.D.

Researchers presented underwater volcanism as a new interpretation of why the sky mysteriously went dark for over a year beginning 536 A.D., with some parts of Europe and Asia seeing the Sun for only about four hours a day and accounts saying the Sun gave no more...

December 19, 2019

a new kind of explosion on the Sun dec 17 2019

Solar Dynamics Observatory witnesses new kind of magnetic explosion on the Sun

NASA's legendary Solar Dynamics Observatory (SDO) has observed a new type of explosion on the Sun. Called "forced reconnection," this newly-discovered phenomenon was theorized 15 years ago. The discovery is expected to help scientists understand a...

December 18, 2019

milky way eruption 1 billion years ago

Milky Way image reveals gigantic eruption 1 billion years ago

A groundbreaking survey of more than 700 000 stars near the Milky Way's heart has produced one of the most stunning images of our galaxy-- astronomers studying the huge population of stars in the "nuclear disk" theorize that there were two significant...

December 18, 2019

mysterious holes discovered off California coast

Thousands of mysterious seafloor holes found off California coast

Scientists have discovered thousands of mysterious holes in the seabed off Big Sur, California. Researchers from the Monterey Bay Aquarium Research Institute (MBARI) were surveying the deep seafloor off Big Sur when they found the strange holes. The bigger holes...

December 15, 2019

closest look at exploding comet by NASA

Most complete and detailed observation of the formation and dissipation of comet outburst

NASA's exoplanet-tracking satellite Transiting Exoplanet Survey Satellite (TESS) captured a rare glimpse of the entirety of a "comet outburst"-- an epic cosmic event where a comet spontaneously combusts in an intense explosion. This is the most...

December 08, 2019

ncal faults f

Study suggests Cascadia can trigger quakes on the northern San Andreas, California

Controversial research argues that quakes made a one-two punch off the United States' west coast at least eight times in the past 3 000 years. For instance, the quake that hit Cascadia fault off the northern California coast triggered a second tremor on the San...

December 08, 2019

petit spot volcano pacific featuredimg

New volcano discovered in the oldest section of the Pacific Plate

A new, petit-spot volcano was discovered in the oldest section of the Pacific Plate by researchers from Tohoku University led by associate professor Naoto Hirano of the Center for Northeast Asian Studies. Studying petit-spot volcanoes serves as a window into the...

December 08, 2019

2018 anak krakatoa unleashed 100m high tsunami featured img

Tsunami triggered by 2018 Anak Krakatoa eruption reached 100 m (328 feet), new study finds

New research shows that the fatal 2018 volcanic eruption of Anak Krakatoa in Indonesia sent a tsunami at least 328 feet (100 m) high, which could have resulted in widespread devastation had it traveled on another path. The researchers say this study is important for...

December 07, 2019

changes in the sun

Using artificial intelligence to provide space weather alerts in real-time

A new study suggests that computers can learn to detect solar flares and other occurrences in vast streams of solar images, helping NOAA forecasters issue space weather alerts more in real-time. The machine-learning technique was improved by scientists at CIRES and...

December 07, 2019

NASA Parker Solar Probe

Details of Parker Solar Probe's groundbreaking discoveries about the Sun

NASA's Parker Solar Probe surprised scientists with its groundbreaking views of the Sun as the first results from the mission were released on Wednesday, December 4, 2019. Scientists observed bursts of energetic particles never seen before on a small scale, and...

December 05, 2019

perseid by k scherer

Research suggests fireball over Australia was Earth's minimoon

A new study suggests that fireball that exploded over Australia in 2016 might have been Earth's 'minimoon.' If true, this would be the second observation of a minimoon fireball ever. Objects gravitationally captured by the Earth – Moon system are...

December 04, 2019