In 2015, ESA astronaut Tim Peake carried rocket seeds to the International Space Station, launching a groundbreaking research ...

The difficult "homework" left behind by NewtonWe hear about Isaac Newton's "Law of Universal Gravitation" in school science ...

Water-rock chemistry helped methane-producing microbes survive extreme alkaline conditions modeled on Enceladus’s hidden ...

Is there life elsewhere, or is Earth unique in the universe? This is one of humanity's great unanswered questions. One way to approach this mystery is to investigate how life began here on Earth. Our ...

From searching for micro-cold trap ice to exploring underground lava tubes and testing space-made materials, NASA is laying ...

This week, more than any individual "major discovery," it was impressive to see the expansion of scientific exploration ...

Gravity between Earth's slightly lopsided inner core and dense rock in the mantle explains why the day has stretched and ...

A close friend of mine during my time at the University of Minnesota in Duluth earned money for school by working on a ship ...

The shape of the ocean floor alone can sustain major ocean currents and climate patterns, even in a simulated Earth with ...

A humble elevator shaft was recently used in a test of the constancy of the speed of light. Credit: Jason Wong/Flickr, CC ...

Enceladus is covered in ice, but that layer might hide a subsurface ocean. Researchers have long wondered if the salty body ...

Earth’s interior is far more complex than its familiar division into crust, mantle and core suggests. Seismic measurements, ...