All these variations extend the usefulness of your Dollar Tree Outer Space Sensory Bin and tie into different planet activities for preschool solar system themes.

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

In a cosmic first, scientists watched planet-forming materials begin to solidify around a newborn star, offering a peek into ...

Astronomers using the James Webb Space Telescope have spotted the earliest ever signs of planets being born around a star.

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show.

Watch interstellar comet 3I/ATLAS live online tonight as it races toward the sun on a rare visit from beyond our solar system.

Astronomers using NASA's James Webb Space Telescope have uncovered compelling evidence of a potential planet with a mass similar to Saturn orbiting the young star TWA 7.

Slotkin on Democratic divisions: 'We're like a solar system with no sun' The first-term senator said internal disagreements are splitting the party.