Nearby supernova blasts may have severely altered Earth’s climate history Tree rings reveal spikes in carbon-14 from ancient ...

The Chankillo Archeoastronomical Complex is an ancient solar observatory in Peru that was built thousands of years before the ...

Astronomers have found a remarkably powerful jet shooting out from a black hole that formed just 3 billion years after the ...

India’s ancient cities hold secrets that reach far beneath their visible temples, mosques, and bustling alleys. While surface ...

Astronomers have discovered extraordinarily powerful X-ray jets blasting from two supermassive black holes that are so ...

The groundbreaking new study challenges assumptions about carbon cycles and raises new concerns about climate change.

Every little piece we can obtain from the excavations is fundamental, like a piece of the larger puzzle we are putting ...

Ask the publishers to restore access to 500,000+ books. The Internet Archive keeps the record straight by preserving government websites, news publications, historical documents, and more. If you find ...

Astronomers anticipate an unprecedented view of the solar system as the Rubin Observatory begins to scan millions of hidden ...

Scientists have identified a new pod of ancient hunter-gatherers who lived near the land bridge between North America and South America about 6,000 years ago.Researchers are still charting how ...

from the Searches After Gravitational-waves Using ARizona Observatories (SAGUARO) program. We searched a total of 4935 deg(2) down to a median 5 sigma transient detection depth of 21.1 AB mag using ...

Here, we report on Rossiter-McLaughlin observations of one transit of DS Tuc Ab with the Planet Finder Spectrograph on the Magellan Clay Telescope at Las Campanas Observatory. We confirm the ...