LAS VEGAS — When the 49ers offense takes the field in Allegiant Stadium, there’s a good chance they’ll be doing so with all their players lined up between the hash marks. The tight formation, also ...

Some land formations on Mars suggest the presence of water ice. These features could have been created by viscous creep of ice below the surface in Martian permafrost. To determine how much ice would ...

Pangaea, the supercontinent that existed about 200 million years ago and combined most of dry land on Earth into one giant landmass (according to the BBC), is well known. More obscure, however, is ...

NEW ORLEANS - It's taken decades, but scientists say in one area the Louisiana coastline is growing, not shrinking as it is in many other areas. Why is this happening and could it help restore the ...