We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

This stunning 527-megapixel composite reveals both visible and infrared views of young stars, ionized gas, and dust filaments ...

NASA's leadership change comes at a pivotal moment for the agency, which is already bracing for potentially severe funding ...

The 47% budget cut would obliterate NASA's science program, experts say.

Scientists have proposed a wild new theory at the Royal Astronomical Society's National Astronomy Meeting (NAM) in Durham - Earth, along with the entire Milky Way galaxy, may be situated within a ...

As the administration slashes spending on science, NASA is running low on new missions.

The European Space Agency (ESA) plans to establish self-sustaining human settlements on Mars by 2040, utilizing AI-driven ...