Iron-rich asteroids and meteorites can pose a larger risk to Earth as compared to other space rocks, a new study by a team of international scientists has revealed. There are innumerable bodies inside ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

In inertial confinement fusion, a capsule of fuel begins at temperatures near zero and pressures close to vacuum. When lasers compress that fuel to trigger fusion, the material heats up to millions of ...

Analog missions are designed to simulate the crew’s experience in a given mission plan. In some cases, they simulate surface operations on the Moon or Mars for up to a year. Others might replicate the ...