What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

At extreme pressures and temperatures, water becomes superionic — a solid that behaves partly like a liquid and conducts ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

At 4:56 a.m. EST (0956 GMT) on Feb. 17, the moon will begin to turn the sun into an impressive "ring of fire" during an ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

Astronomers are once again questioning whether our solar system is complete. Subtle gravitational effects suggest something large may be hiding far beyond the known planets. It hasn’t been directly ...

Scientists found a mysterious rogue planet roaming aimlessly outside our solar system. What if it came closer? US military carries out strikes in Venezuela Tommy Lee Jones and family release statement ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...