Astronomers have uncovered a vast cloud of energetic particles—a "mini halo"—surrounding one of the most distant galaxy ...

Mountains, sub-glacial lakes, hidden valleys, even remnants of lost civilizations: what lies under Antarctica’s vast ...

Two of the universe’s most extreme objects—black holes and neutron stars—can spiral into cosmic collisions that crack crusts, ...

Universe's 'missing' matter found! "This is a unique opportunity to learn how the universe's first light emerged from the ...

High above the windswept Ross Ice Shelf, a helium balloon the size of a football stadium drifts in the polar twilight. Slung ...