Astronomy Jun 12, 2019

Magnetic field may be keeping Milky Way's black hole quiet

Supermassive black holes exist at the center of most galaxies, and our Milky Way is no exception. But many other galaxies have highly active black holes, meaning a lot of material is falling into them, emitting high-energy ...

Environment Jun 19, 2019

Arctic could face another scorching annus horribilis

Scientists say 2019 could be another annus horribilis for the Arctic with record temperatures already registered in Greenland—a giant melting icicle that threatens to submerge the world's coastal areas one day.

Archaeology & Fossils 5 hours ago

Y chromosomes reveal population boom and bust in ancient Japan

Researchers at the University of Tokyo conducted a census of the Japanese population around 2,500 years ago using the Y chromosomes of men living on the main islands of modern-day Japan. This is the first time analysis of ...

Space Exploration 12 hours ago

Sailing among the stars: how photons could revolutionize space flight

A few days from now, a SpaceX Falcon Heavy rocket will lift off from Florida, carrying a satellite the size of a loaf of bread with nothing to power it but a huge polyester "solar sail."

Earth Sciences Jun 19, 2019

Study predicts more long-term sea level rise from Greenland ice

Greenland's melting ice sheet could generate more sea level rise than previously thought if greenhouse gas emissions continue to increase and warm the atmosphere at their current rate, according to a new modeling study. The ...

Plants & Animals 2 hours ago

Why climate change means a rethink of coffee and cocoa production systems

Global demand for coffee and cocoa is on the rise. Yet across the equatorial belt where these two crops are produced, the future is not looking bright. Climate change in the tropics is pushing coffee and cocoa closer to the ...

Astronomy Jun 18, 2019

New Earth-like exoplanets discovered around red dwarf Teegarden star

An international team led by the University of Göttingen (Germany) with participation by researchers from the Instituto de Astrofísica de Canarias (IAC) have discovered, using the CARMENES high-resolution spectrograph at ...

Astronomy Jun 19, 2019

Astronomers make first detection of polarised radio waves in Gamma Ray Burst jets

Good fortune and cutting-edge scientific equipment have allowed scientists to observe a Gamma Ray Burst jet with a radio telescope and detect the polarisation of radio waves within it for the first time—moving us closer ...

Plants & Animals 3 hours ago

Researchers confirm that narwhals and belugas can interbreed

A team of University of Copenhagen researchers has compiled the first and only evidence that narwhals and beluga whales can breed successfully. DNA and stable isotope analysis of an anomalous skull from the Natural History ...

Archaeology & Fossils Jun 19, 2019

Ediacaran dinner party featured plenty to eat, adequate sanitation, computer model shows

Earth's first dinner party wasn't impressive, just a bunch of soft-bodied Ediacaran organisms sunk into sediment on the ocean floor, sharing in scraps of organic matter suspended in the water around them.

page 1 from 28109