The American Astronomical Society - chief organization for US astronomers - said it is in conversations with SpaceX about the impending launch of 12,000 Starlink satellites. The astronomers worry the satellites will interfere with their work of understanding the universe.

Check out this optical illusion and find out what it says about your brain.

Roughly the same size of Belgium, Canada’s Great Slave Lake runs nearly 2,000 feet (600 meters) deep. This article from NASA Earth Observatory describes the lake and conditions around it in 2019.

Super-sized beavers were as big as black bears. They suddenly became extinct 10,000 years ago, while small modern beavers survived. Now scientists know why.

As magnetic north shifts increasingly away from the geologic north pole - towards Siberia - studies suggest the northern lights could move with it.

Did you know that there are hidden underwater forests of large brown seaweeds (kelps) in the Arctic? As temperatures warm, the forests are expanding.

The atmospheres of our 2 neighbors Mars and Venus can teach us a lot about past and future scenarios for our own planet.

Pluto's orbit is very elongated. Right now, it's in a part of its orbit where its distance from the sun is steadily increasing. That fact is devastating its atmosphere.

Microplastic particles - too small for the human eye to see - were blown into the once pristine region by the wind, according to a new study.

A University of Chicago physicist has laid out an innovative method - using the Higgs boson - for stalking dark matter. He said the Higgs might actually be "a portal to the dark world."