During its original network run in the 1960s, Star Trek was famously saved from cancellation twice by fan letter-writing ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

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

Astronomers have spotted a Saturn-sized world drifting through a region of space that theory once said should be almost empty ...

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

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...