The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the inner solar system.
ESA marked the opening of the 2026 Winter Olympics by capturing the venue from low-Earth orbit.
Just 13 months after declaring the moon "a distraction," Elon Musk has announced that Earth's nearest neighbor is now the focus of SpaceX's settlement plans. What changed?
Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets of worlds we may never see directly.
Scientists analyzing decades-old NASA's Magellan data have identified only the second reported lava tube on Venus.
Five ways dismantling NCAR will cost the American people, and two ways to save it.
New research reveals the source of this carbon – and the driving forces behind it – are far more complex than previously thought.
New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened during its farewell tour of the solar system.
Perchlorate, a toxic substance found in Mars dirt, could help the bacterium Sporosarcina pasteurii strengthen bonds between particles of regolith.
A new comet approaching the sun has caught the attention of astronomers, primarily because of its lineage. It appears to belong to a group of comets that in some cases have briefly become outstandingly bright objects.