Leo and Ralph, by Peter Carnavas, is a superb new novel about a boy moving home and (possibly) losing his extraterrestrial friend ...

Hunting for alien civilizations isn't a matter of just waiting around for them to show up; it's the business of combing ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

There are questions that have been on the human mind for hundreds of years. Many of them, of course, are related to the ...

Using an observatory located deep beneath the Mediterranean Sea, an international team has detected an ultra-high-energy ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

A cosmic filament, 3 million light-years long, has been directly imaged for the first time — offering a new glimpse into the ...

I’M standing on one of Northumberland’s wonderful beaches letting a handful of sand slip between my fingers. Guessing there must be thousands in my palm, I gazed along the shore marvelling at a ...

In this video narrated by Elizabeth Landau, hear how NASA’s SPHEREx mission will map the entire sky in over 100 infrared colors, combining a wide field of view with spectral imaging to explore the ...

YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.