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195 articles
Observations of distant astronomical sources highlight what we know and do not know about the way our universe works. Among the mysteries of the cosmos are...
For 3.4 billion people living in rural areas, the size of nearby cities and towns and the travel time to reach them are critical. They affect the extent of...
Billions of years ago, Mars appears to have had abundant surface water. There is little, if any, direct evidence of the ancient atmosphere that helped make the...
Recent observations of 11 galaxy clusters reveal that cluster galaxies produce ten times more gravitational lensing effects than expected from cosmological...
Dams can disrupt the life cycle of Amazonian fish, impacting the livelihood of local communities. By interviewing fishers from many communities located...
Today’s drastic global warming is threatening the agriculture of many valuable crops, including winegrapes. We propose a new approach to selecting winegrape...
A new study explains how Arctic sea ice might have melted completely during the Last Interglacial (warm period) around 130,000 years ago and supports...
Deep-sea mining may soon become a new source of valuable metals, the important components of modern tech. It is becoming commercially viable, but what about...
Born more than ten billion years ago, the early life of our Milky Way galaxy remains mysterious. Recently we discovered the Phoenix Stream, the remnants of a...
The COVID-19 pandemic has been dynamically reshaping our lifestyle and society. Despite huge drops in global pollution as people stayed at home, our study...
The world’s coral reefs are embattled by increasing human pressures. My colleagues and I explored which coral reefs could still simultaneously meet key...
We know little about dark matter beyond its existence. That would change dramatically if hints of dark matter decaying to X-rays were confirmed. Indeed, this...