Early image of interstellar object 3I/ATLAS sparks debate among scientists, fueling speculation on cometary behavior versus ...

Fresh orbital images and new geological analysis have revealed eight mysterious caves on Mars that appear unusually well suited to protect traces of life. Together, these caverns, portals and ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

Researchers used the Green Bank Telescope to study the interstellar comet and found that it exhibits typical cometary behavior, with no unusual features detected ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

Whether Artemis ultimately fulfills its promise of sustained lunar exploration, or is reshaped by politics, budgets and ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Scientists have discovered 26 new bacterial species that survived the extreme sterilization protocols of NASA cleanrooms ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...