Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

The climate record holds some of its best warnings in stone, soil, and leaves. In a new study, scientists from the University of Utah and the Colorado School of Mines looked back to one of Earth’s ...

The Trump administration's revocation of a scientific finding that climate change is a danger to public health is likely to affect communities of color the most.

President Trump touts economic gains and border security in second-term State of the Union, setting the stage for midterm ...

The soda straws are another geological oddity that sounds more like a menu item than a cave feature. These thin, hollow tubes ...

So here’s the situation: you live in Virginia, which gives you access to one of the most spectacular underground attractions ...

In a study published in Historical Biology, Dr. Mohammed Naimi and his colleagues report the discovery of the first plesiosaurian remains from Algeria. Additionally, the fossil, dated to the Late ...

A lost cache of 250-million-year-old fossils from Australia has rewritten part of the story of life after Earth’s worst mass extinction. Instead of a single marine amphibian species, researchers ...

“This study demonstrates that eggshell biocalcite from non-avian dinosaurs, birds, and other egg-laying vertebrates has the ...