Since astronomers found the first planets outside our solar system in 1992 and the first planet around a sunlike star in 1995 ...

NASA unveiled a new discovery inside our solar system. We had only seen these big lakes filled with water on Earth - but this ...

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...

"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...

That may be about to change: NASA is preparing a brand new mission that will travel 1 million miles away from Earth in order to map the boundaries of the heliosphere, offering clues to scientists ...

“This milestone represents decades of cosmic exploration driven by NASA space telescopes — exploration that has completely changed the way humanity views the night sky,” Shawn Domagal-Goldman, acting ...

This giant protective bubble, created by the Sun’s solar wind, extends far beyond the orbit of Neptune and shields life in our solar system from harmful cosmic radiation and high-energy particles.

SummaryNASA's new Interstellar Mapping and Acceleration Probe, or IMAP, will launch no earlier than Tuesday, Sept. 23 to ...

An uncrewed mission called Artemis 1 flew around the moon and back again in 2022. Four astronauts aim to do the same next ...

NASA's Nancy Grace Roman Space Telescope will help scientists better understand our Milky Way galaxy's less sparkly ...

Scientists have developed a new form of nuclear propulsion that they claim could slash mission times to Mars and enable ...

Though the rings appear solid from afar, they’re actually a dynamic, rotating system of icy debris. One theory suggests they may be remnants of a moon or comet torn apart by Saturn's immense gravity.