This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

Astronomers using NASA's James Webb Space Telescope have discovered a giant planet outside our solar system, called an ...

A separate study led by Ben Sutlieff of the University of Edinburgh and Markus Bonse of the European Southern Observatory ...

As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

An Earth-like planet within the habitable zone of a star has been found to have an atmosphere, raising hopes it could support ...

Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard's Star—the sun's closest ...

Hints of high-pressure chemistry within a rare meteorite suggest this fallen space rock comes from a planet gone wrong in the solar system’s early history NASA ordered its astronauts to take refuge ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known ...

Astronomers have catalogued more than five thousand planets orbiting distant stars, and a handful of them defy almost ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with atmosphere, they have a wide range of characteristics distinguishing them. But if ...

Our definition of a planet has changed over the years — causing a bit of confusion. | Credit: wasan prunglampoo/Getty Images Over the past 250 years, the number of "planets" in our solar system has ...