Edgar once designed science experiments for astronauts to perform. Now she'll be the astronaut performing them.

If it pans out, it may complicate Elon Musk’s dreams of founding a settlement on the fourth planet from the sun.

NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ...

Nasa’s Perseverance rover has uncovered new evidence of chemical activity on Mars that could suggest the planet was once habitable. Samples of mudstones from the Jezero crater – an ancient basin long ...

Only 370 people have been selected by NASA as astronauts, making it an extraordinarily small and elite group composed mostly ...