A comet wandering through space was observed to abruptly slow its rotation, stop completely, and then begin spinning in the ...

SpaceX delivered the replacement US, French and Russian astronauts a day after launching them from Cape Canaveral.

Some asteroids are quietly speeding up or veering off their predicted paths, yet telescopes see no glowing tails or hazy ...

Lyrid meteor shower 2026 peaks on April 22. Learn when to watch, viewing times, expected meteor rates, and key facts about the annual April sky event ...

Recent observations suggest that 'runaway' black holes are tumbling through the cosmos. Building on decades of theory, the discovery adds a remarkable new chapter to the story of the universe.

Scientists suggest that huge reserves of hydrogen inside the Earth may have been key in the formation of water.

Hidden high in California’s White Mountains, a solitary bristlecone pine has survived nearly 5,000 years. Guarded in secrecy, ...

Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...