When a new comet appears in the sky, there is often excitement. But things don’t always end well for the ancient celestial objects, made of ice, frozen gases and rock, as they near the sun — and an ...

Other hopeful solar buyers may have a much harder time in coming months. President Donald Trump’s escalating trade war with ...

The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a ...

Independent scientists described the findings as interesting, but not nearly enough to show the existence of life on another ...

The James Webb Space Telescope spotted possible signatures for life in an exoplanet's atmosphere. Still, researchers caution ...

PARIS (AFP) — Astronomers announced Thursday that they had detected the most promising "hints" of potential life on a planet beyond our solar system, though other scientists expressed skepticism.

Scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond ...

Scientists know of over a dozen planets that orbit twin stars like the fictional “Star Wars” desert planet Tatooine.

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...

Using the James Webb Space Telescope, scientists say they found indications of potential life on K2-18b, a planet outside our solar system.