195 articles
Better representation of Northern Hemisphere vegetation may resolve a scientific debate over how global temperatures changed during the past 12,000 years. Our...
Over the next 30 years, the expansion of cities will threaten global biodiversity unless we change the way that they are built. Greener cities can become part...
Disasters such as hurricanes, floods, and wildfires are increasing in frequency, and many locations are experiencing repeated disasters. Each disaster can...
We have discovered a new kind of repeating radio source using a sensitive low-frequency radio telescope in outback Western Australia. Its unusual properties...
The characteristics of an astronomical site limits the performance of telescopes. “Seeing”, the blurring of stellar images by atmospheric turbulence, is a key...
Volcanic hotspots like Hawaii are usually thought to be fed by hot blobs inside the Earth. A new class of cold hotspots is identified by inferring the...
The discovery of planets outside the Solar System began thirty years ago and has been on the rise since, but how much do we know about these planets? Can we...
Galaxies’ gas is the fuel to form new stars. The formation process stops when galaxies run out of this fuel. However, the mechanisms that cause a galaxy to run...
Fossil plants found in the Peruvian Andes revealed a dramatic tale of past environmental change. This transformation was a response of the rapid mountain...
Mars is nowadays a frozen desert devoid of liquid water, but it was not always like this: giant valleys and canyons on its surface show that at some point in...