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195 articles
The reason why the Vikings left Greenland in the early 15th century remains unclear. The declining temperature during the Little Ice Age had been thought to be...
Dark matter, the “glue” that holds our Universe bound, remains a mystery. A key question to understand its nature is whether dark matter particles can interact...
Fast radio bursts are millisecond-duration, extremely bright flashes of radio light that reach us from other galaxies. We do not know what they are but...
Earth began with an atmosphere similar to that of Venus. While Venus continues to have a hellish surface, Earth turned into a habitable world within just...
Pluto has such a peculiar orbit that people have wondered how it exists. In our new work, we found that the orbital architecture of the giant planets lies in a...
Faraway galaxies are hard to detect, not only because they appear fainter, but also because the light that we detect from them is infrared. Many of these...
Flood disasters are expected to increase because of the climate change-related sea level rise. While impacts on regional and local scales may vary, mapping...
Novae have been observed for centuries in the night sky, unveiling just how dynamic our Universe can be. Our recent observations have revealed rapid and...
Nitrogen is an essential nutrient for plants and is necessary for making proteins. We gathered a diverse set of published records measuring nitrogen...
Insects are a key part of the earth’s life support system, making reports of steep declines a great concern. Our study, one of the largest assessments of...
The earliest ecosystems we know of were built entirely by microscopic lifeforms. Similar ecosystems that exist today help us understand the history of life on...
The discovery of an ultra-long period neutron star, emitting unusual radio signals is rewriting our understanding of these unique star systems. The source has...
