The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

Earth has undergone incredible transformations over its 4.5 billion-year history,but what will it look like 1 billion years ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Society NASA is facing the biggest crisis in its history Widespread proposed budget cuts have left the US space agency facing an uncertain future at the same time as NASA’s intended new leader ...

The Quest For “Planet X” The idea that a distant, hidden planet might exist in our solar system has been around for a while. In the early days of 20th-century astronomy, icons such as Percival Lowell ...

Space & Spaceflight These Satellites Just Nailed the Most Precise Formation Flight in Space History ESA's Proba-3 just achieved a world-first: millimeter-precise formation flying, entirely on its own.

Exploration of the outer solar system is offering critical clues about its history. Scientists have uncovered new details about the formation of distant icy worlds beyond Neptune. The findings are ...

Pinilla-Alonso says the research helps piece together the history of the solar system's chemistry and gain insights into exoplanets, where methanol and methane play a crucial role in shaping ...