To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

A minor geomagnetic storm may increase northern lights visibility tonight as fast solar wind interacts with Earth’s magnetic field, according to Space.com forecasts.

Earth’s magnetic north has just crossed an invisible threshold in the Arctic, slipping into a region that modern navigation ...

An expert on the Arctic explains why Trump’s rationale for controlling the island is full of holes.

Looking for the world's best places to travel in 2026? Here, travel experts share their picks for the top travel destinations ...

Veteran Hollywood star Will Smith narrowly escaped tragedy while filming a dangerous scuba diving moment beneath thick ice at ...

But 2026 arrives with an unusual density of things that won't happen again—at least not in our lifetimes. A tapestry leaves ...

Last year, astronomers were fascinated by a runaway asteroid passing through our Solar System from somewhere far beyond. It ...

For years, the James Webb Space Telescope has been spotting enormous black holes in the early universe that defy all ...

Last weekend’s extreme cold is becoming a fading memory, at least through this week. Temperatures ease upward to seasonable ...

"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most massive black holes in the universe." ...

Primordial black holes could rewrite our understanding of dark matter and the early universe. A record-breaking detection at ...