Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

NASA has lost contact with MAVEN — a spacecraft that’s been orbiting Mars for over a decade. Just after passing behind the ...

Europa’s “wall-demon” scar resembles lake stars on Earth, prompting researchers to investigate whether it indicates pockets of water beneath the moon’s frozen surface ...

An interstellar comet racing through the inner solar system is giving scientists a rare chemical snapshot of material formed around another star, with early findings showing an unexpectedly low water ...