A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

Russia's co-orbital satellite tactics are redefining space deterrence and signaling a more aggressive phase in orbital ...

From unexplained phenomena to baffling disappearances, follow the clues while discovering our country’s treasured protected ...

In a world saturated with monolithic black slabs of glass and metal, the flip phone has always felt like a delightful ...

Understanding how the human brain represents the information picked up by the senses is a longstanding objective of ...

Uranus enters Gemini for the first time since World War II. Sobering, right? Especially considering the current waves of ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On ...

After Tropical Storm Chantal made landfall in South Carolina over the Fourth of July weekend, the tropics are now quiet. Well ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has made yet another exciting discovery—but it never works alone. Thanks ...