He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...

Scientists from Skolkovo Institute of Science and Technology, together with scientists from the University of Graz, ...

Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked ...

PUNCH, a bold new NASA mission, has successfully taken its first images of the Sun’s corona from orbit using four ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

This isotope is found at a ratio of about one per 2,500 helium-4 ions, the latter being the common version of helium.

NASA’s new PUNCH mission just opened its eyes to space, capturing its first images of the Sun’s outer atmosphere and the ...

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.

At that point, around 30-40% of the sun was obscured, according to the Royal Observatory. Most of us are normally unaware of the mechanics of the solar system. But when the silhouette of the moon ...

Around the globe, Earth Day is being recognized on April 22 with the theme 'Our Power, Our Planet,' meant to raise awareness, ...

Our solar system was formed about four and a half billion years ago, from a massive cloud of gas and dust which collapsed on ...