What's under this hole on the surface of Mars?

Human visitors to Mars need somewhere to shelter from the radiation, temperature swings, and dust storms that plague the planet. If the planet is anything like Earth or the moon, it may have large underground lava tubes that ...

How much water would a self-sustaining moonbase need?

As humanity returns to the moon in the next few years, they're going to need water to survive. While resupplies from Earth would work for a time, eventually the lunar base would have to become self-sustaining? So, how much ...

Video: Fly across Nili Fossae with ESA's Mars Express

Mars's surface is covered in all manner of scratches and scars. Its many marks include the fingernail scratches of Tantalus Fossae, the colossal canyon system of Valles Marineris, the oddly orderly ridges of Angustus Labyrinthus, ...

What you will and won't see from June's planetary parade

Six planets will link up before dawn on June 3 in what's known as a planetary parade. But the spectacle won't be as eye-catching as expected: Only two planets will be visible to the naked eye.

NASA's OSIRIS-APEX unscathed after searing pass of sun

Mission engineers were confident NASA's OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification—Apophis Explorer) spacecraft could weather its closest ever pass of the sun on Jan. 2, 2024. Their models had ...

page 29 from 40