During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

Additionally, ancient humans may have ramped up their use of ochre. This naturally occurring pigment is composed of iron ...

About 41,000 years ago, Homo sapiens may have survived increased solar radiation caused by a weakening magnetic field by ...

Did ancient sunscreen and sewing needles save humanity? In a nutshell 41,000 years ago, Earth’s magnetic field weakened to ...

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, ...

The mission, jointly operated by the United States and India, will measure minute changes to land, ice, and ecosystems around ...

While space radiation poses significant risks to astronauts beyond Earth's protective atmosphere, its impact on terrestrial wildlife within the United States remains a topic of scientific inquiry.

Ancient homo sapiens may have benefitted from mineral-based sun protection, living in caves and even tailored clothing.

Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

This halo helps protect Earth from cosmic radiation -- the stuff that thins ... The researchers then laid their 3D map of Earth's space system over the world, and found that the time period ...

Continued use of fossil fuels has warmed oceans, melted ice caps and led to some of the hottest years in recorded history. Dangerous and costly severe storms and wildfires have become more frequent as ...