Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet aligned with the planet’s rotation axis. This is what makes a magnetic compass ...

The findings come in the background of data obtained by NASA’s Perseverance rover that revealed evidence of wave-formed beaches and rocks, altered by subsurface water in a Martian crater that ...

Quiet state parks, unusual geological features, and scenic river valleys make these overlooked Pennsylvania nature spots ...

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since 2024. Auroras are possible later this week.