Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Mars, the Red Planet, has long captured our imagination as a possible home for life. Recently, a team of scientists uncovered a groundbreaking discovery: caves on Mars formed by water, potentially ...

These outer space bunkers may provide the perfect conditions for preserving life ...

For the first time in over a decade, the Apostle Islands National Lakeshore's ice caves are open to the public. The ice caves opened at 8:30 a.m. Monday, Feb. 16, according to the National Park ...