Research - page 2

telescope image shows star formation can be a violent and explosive process

Telescope image shows star formation can be a violent and explosive process

Stellar explosions are most often associated with supernovae, the spectacular deaths of stars. But new ALMA observations provide insights into explosions at the other end of the stellar life cycle, star birth. Astronomers captured these dramatic images as they...

April 08, 2017

view of hollywood and los angeles from griffith park

California droughts and floods linked to distinctive atmospheric waves

In a recent study, scientists at the National Center for Atmospheric Research (NCAR) found that the persistent high-pressure ridge off the west coast of North America that blocked storms from coming onshore during the winters of 2013-14 and 2014-15 was associated...

April 06, 2017

x1 9 solar flare on november 3 2011 sdo

Discovery offers a way to predict solar flares

A new study led by a scientist at the National Center for Atmospheric Research (NCAR) has found that the same kind of large-scale planetary waves that meander through Earth's atmosphere driving our weather may also exist on our star and drive space weather. The...

March 30, 2017

kaikoura earthquake the most complex in modern history

Kaikoura earthquake, the most complex in modern history

In November 2016, a massive 7.8-magnitude earthquake hit New Zealand, causing significant damage and between 80 000 - 100 000 landslides. Now, an international team of scientists says the quake was so complex and unusual that it is likely to change how scientists...

March 24, 2017

Atmospheric supersonic plasma jets discovered

Supersonic plasma jets discovered

Scientists analyzing data obtained by Swarm trio of satellites have discovered supersonic plasma jets high up in our atmosphere that can push temperatures up to almost 10 000 °C (18 000 °F). The discovery was presented at this week’s Swarm Science...

March 23, 2017

_k cor promises earlier space weather warnings

K-Cor promises earlier space weather warnings

A new research instrument located on the Mauna Loa volcano in Hawaii - K-Coronagraph - showed the technique it uses to observe Sun's corona can be used to provide earlier warnings to astronauts when dangerous high-energy particles are blasted out of the...

March 23, 2017

mapping space dust in 3d

3-D map of space dust

A new study led by Edward F. Schlafly is providing a detailed, 3-D look at dust on a scale spanning thousands of light-years in our Milky Way galaxy. This dust map is of critical importance for the Dark Energy Spectroscopic Instrument (DESI), a Berkeley Lab-led...

March 22, 2017

highest resolution map of earth s lithospheric magnetic field

Highest resolution map of Earth’s lithospheric magnetic field

After three years of collecting data, Swarm mission scientists have produced the highest resolution map of Earth’s lithospheric magnetic field from space to date. The dataset combines measurements from ESA’s Swarm satellites with historical data from the...

March 21, 2017

collision with another planetary body created earths iron

New theories about nature of Earth’s iron

In a study published March 20, 2017 in Nature Communications, an international team of scientists challenges the prevailing theory that the unique nature of Earth’s iron was the result of how its core was formed billions of years ago. The study opens the door...

March 20, 2017

fault rupture map after m7 8 kaikoura earthquake

NIWA adds more faults to the latest Kaikoura fault rupture map

Scientists on board NIWA’s research vessel Ikatere took to the water in January with state-of-the-art equipment to map the sea floor between Cape Campbell and Spyglass Point to the south of Kaikoura and added more fault ruptures to the fault map of...

March 15, 2017

calbuco eruption expanded ozone hole to record size study

Calbuco's eruption expanded ozone hole to record size

A new study argues that eruption of the Chilean volcano Calbuco on April 22, 2015 stretched the Antarctic Ozone Hole, the thinnest portion of the ozone shell that shields Earth from harmful radiation, to a record size nearly as large as Africa. It did so by ejecting...

March 15, 2017

starquakes reveal surprises about the birth of stars study

Starquakes reveal surprises about the birth of stars

Just as seismologists use earthquakes to understand the interior of our planet, astronomers use starquakes to understand the interior of stars. In one such study, an international team provided unprecedented insights into conditions in the turbulent gas clouds where...

March 15, 2017

One of the greatest mass extinctions caused by volcanic eruptions

One of the greatest mass extinctions caused by volcanic eruptions

Scientists have linked global mass extinction at the Permian-Triassic boundary some 250 million years ago to an ice age caused by the activity of the first volcanism in the Siberian Traps. The research paves the way for a new vision of the Earth's climate...

March 06, 2017

solar storms trigger surprising phenomena close to earth

Solar storms trigger surprising phenomena close to Earth

A new research shows that eruptions on the Sun’s surface not only send bursts of particles into Earth’s atmosphere, but - contrary to previous belief - also remove electrons across large areas. The new knowledge increases our understanding of solar...

March 03, 2017

severe weather patterns changing drastically since 1960 china

China's severe weather patterns changing drastically since 1960

In one of the most comprehensive studies on trends in local severe weather patterns to date, an international team of researchers found that the frequency of hail storms, thunderstorms and high wind events has decreased by nearly 50 percent on average throughout...

March 03, 2017

historic earthquakes san andreas fault

Historic earthquakes discovered along San Andreas Fault

In a new study, USGS geologist Dr. Kate Scharer and her team excavated trenches across the San Andreas Fault – near Frazier Mountain in northeastern Kern County – to investigate the timing of sand, mud, and gravel deposits that were episodically ripped...

March 03, 2017

storm hawaii heavy rain snow

Severe storm hits Hawaii, dumps heavy rain and snow

Hawaii has been hit with sustained blizzard conditions that have dumped over 20 cm (8 inches) of snow onto its mountain peaks late Tuesday into early Wednesday, March 1, 2017. Blizzard warning for Mauna Kea and its sister peak Mauna Loa was canceled Thursday. While...

March 03, 2017