Earth’s magnetic field 3.7 billion years ago was probably as strong as it is today, pushing back the earliest date for this planet’s protective bubble by 200 million years. Magnetic …
The oldest clear evidence for Earth’s magnetic field suggests that it was formed within the first billion years of Earth’s existence. The new discovery brings us closer to answering the …
The Earth is constantly bombarded by high-energy charged particles called cosmic rays. We are normally shielded from such attacks by Earth’s magnetic bubble, or magnetosphere. But what happens when this …
A measured area in the sky. Left: A full-sky image of the polarized glow from dust seen at low resolution by ESA’s Planck satellite. This emission is a veil of …
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Generative AI techniques can write poetry and computer programs, or create images of teddy bears and videos that look like cartoon characters from Hollywood movies. Now, new artificial intelligence technology …
New research reveals more clues about an extreme event that occurred on Earth 41,000 years ago, when the Earth’s magnetic field temporarily weakened, causing large amounts of cosmic rays to …
The statewide regular firearms season for bears came to a close Nov. 21, and the extended bear season in select wildlife management units ended on Dec. 9. Hunters in the …