Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Explore ten scientifically grounded facts about our solar system, from unique planetary features to surprising interplanetary ...

Think we already know all the planets in our solar system? Surprise surprise! 🌌 A mysterious new object with an extreme, almost unbelievable orbit has just been discovered — and it’s shaking up ...

The newly released images from a December flyby are so detailed that scientists can see explosions and the flow of solar winds.

The magic of solar panels — that they generate energy simply using rays from the sun — also makes them tricky to turn off ...

The marvelous Eise Eisinga Planetarium, the world’s oldest continuously operating planetarium in the world, dating from 1781, ...

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope?

Espinoza is a leader in the new massive James Webb Space Telescope study of rocky worlds, specifically to find out if planets around red dwarfs could have air. The campaign, first reported by Mashable ...

The Dow Jones Industrial Average (^DJI) ends Thursday's session in the red as names like IBM (IBM) and Honeywell (HON) drag down the index. Yahoo Finance Markets and Data Editor Jared Blikre explains ...

John Flamsteed, a Derbyshire astronomer, was the inaugural Astronomer Royal and also made the first recorded observations of ...

The S&P 500 (^GSPC) and Nasdaq Composite (^IXIC) closed Monday's trading session at fresh record highs. Meanwhile, Yahoo Finance Markets and Data Editor Jared Blikre joins Asking for a Trend to share ...

The Fantastic Four: First Steps ends with Galactus being teleported to the farthest reaches of the universe, with Silver ...