Like lifting a giant veil, the near-infrared vision of NASA's Hubble Space Telescope uncovers a dazzling new view deep inside the Tarantula Nebula. Hubble reveals a glittering treasure trove of more than 800,000 stars and protostars embedded inside the nebula.
NASA's announced plans for another visit to Mars, this time to check out its interior.
European Space Agency (ESA) astronaut André Kuipers is running experiments on the International Space Station (ISS) to help scientists improve their understanding of conditions deep inside the Earth.
There's vastly more water in Mars's mantle than previously thought - as much as on Earth, in fact - dramatically raising the chances that the planet might once have sustained life.