Space Exploration

NASA’s Psyche mission is on its way to a heavy-metal asteroid of the same name—a type of object that scientists have never seen up close before

For the third time in a year, coolant is leaking from a Russian module aboard the International Space Station

Medical, financial and ethical hurdles stand in the way of the dream to settle in space

If it had hit Earth, this coronal mass ejection could have caused continent-scale blackouts, scientists say

TRAPPIST-1 could make or break the extended push to make red dwarfs an astrobiological priority

The decision to send hominin bones on a commercial spaceflight has raised eyebrows among paleontologists

The successful lunar landing of the Chandrayaan-3 mission makes India only the fourth country to achieve the feat

Luna-25, Russia's first moon mission in nearly a half-century, was the vanguard of a planned series of lunar probes

In the latest chapter of an ongoing “moon rush,” Russia’s Luna-25 mission will attempt the nation’s first lunar landing in nearly 50 years

The Luna 25 spacecraft will attempt to land at the lunar south pole for the first time in a hunt for valuable water ice

Scholars look to understand how Americans view space activities

A glitch may have silenced NASA’s Voyager 2 spacecraft until mid-October—but a “heartbeat” signal offers hope for reestablishing contact earlier