Spacecraft

Reproducing in space is just one of many reasons we should delay settlements beyond Earth

The earliest active supermassive black hole ever seen offers clues on how these enigmatic objects first formed

The Lucy spacecraft’s encounter with asteroid Dinkinesh has revealed a bizarre “contact binary” double-moon companion

The James Webb Space Telescope is gazing across the universe to find galaxies close to the “cosmic dawn”—and you can explore them from the palm of your hand

Fresh investigations find that the Red Planet’s liquid-metal core is smaller than scientists thought

NASA’s Lucy mission is starting its science studies way ahead of schedule

As space agencies turn their gaze to the moon, we need to consider what werewolves might mean for lunar exploration—and vice versa

Defunct satellites and other pieces of orbital debris are pumping metals into Earth’s fragile upper atmosphere, with effects unknown

Astronomers have found high-altitude clouds formed from quartz crystals on the gas-giant world WASP-17b

Thirty years ago, astronomer Carl Sagan convinced NASA to turn a passing space probe’s instruments on Earth to look for life — with results that still reverberate today

Images from each and every spacecraft now orbiting Mars have ruled out a meteorite strike as the cause of a 4.7-magnitude marsquake, the strongest temblor ever detected beyond Earth

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