ESA's Solar Orbiter captured a "tube of cooler atmospheric gases snaking its way through the Sun’s magnetic field," according ...

A newly released image of the sun captured by the world's largest solar telescope shows the surface of our nearest star in ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

Part of a spacecraft that has been stuck in orbit for 53 years is due to reenter Earth’s atmosphere around May 10 and could ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

The ongoing search for an additional planet at the solar system's edge has identified a new candidate, potentially ...

On Oct. 4, 1957, Russia launched Sputnik 1, the first artificial satellite. It weighed 184 pounds, and it transmitted a ...