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195 articles
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...
Growing economic use of the oceans may help determine the achievement of global conservation goals. In looking to see where this capacity rests, we find that...
Several periods in the Earth's history were warmer than today and provide insight into future impacts of global warming. Climate and atmospheric changes can...
While invisible to the bare eye, microscopic algae are the base of marine food webs, eventually feeding large animals, such as fish and whales. These algae...
Reports that wildlife declined by more than 50% in recent decades grabbed headlines, but calculating an average global decline is trickier than it might seem....
It is commonly accepted that the burst in diversity of flowering plants, between 125 and 80 million years ago, had a negative impact on the diversity of other...
Using modern radio-telescopes, we found that the Milky Way expels large amounts of dense, cold gas from its central regions through a powerful galactic wind....
Freshwater ecosystems are the most threatened in the world yet hardly considered in conservation planning. We show that current conservation efforts focused on...
Ecosystems change over time. We devised a way to separate rapid and profound ecological changes from the slow, gradual turnover of species. We used fossil...
