Outfitted with heart rate monitors and temperature probes, they waited in temperatures of 42 degrees Celsius, or 107 degrees ...

Submissions already include some stunning wildlife photography, including a sleepy lion cub on a dirt road, a mountain goat ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by dynamic interactions with its companion. An international team of researchers ...