Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A newly released ...

A celestial phenomenon is forming in the Northern Hemisphere on Friday, as seven planets are expected to appear lined up in the night ... as each planet in the solar system orbits the sun at ...

Each pixel in the original version of the image corresponds ... the powerful particles, solar energy, and stellar radiation it ejects across the solar system. These solar storms routinely produce ...

The planets are not exactly lined up, so they appear in an arc across the sky due to their orbital plane in the Solar System. During clear nights, all of the planets except Mercury should be ...

NASA / JPL-Caltech The eight planets in our solar system all orbit the sun in roughly ... it’ll still be worth spending a few minutes looking up to the sky after sunset. Allen recommends using ...

Oumuamua was later confirmed to be the first object from another star known to have visited our solar system. While these interstellar objects (ISOs) originate around a star, they end up as cosmic ...

HR 8799 is a pretty young planetary system, only 30 million years old, compared to our 4.6 billion-year-old solar system. Its ...

The investigation shows what is needed to directly image more planets beyond the solar system. Two NASA spacecraft have teamed up to capture direct images of Uranus. The Hubble Space Telescope and ...

From once-in-a-lifetime total solar eclipses to partial eclipses that turn the Sun into a Moon-like crescent, every eclipse is a breathtaking opportunity to see our solar system in action.

An image from the ... pyrotechnics up close. The probe has already braved coronal mass ejections, major blowups that spew the sun’s plasma out into the solar system. The mission team is hoping ...