A11pI3Z is only the third interstellar visitor to be discovered, and astronomers can’t say yet whether it is a comet or a ...

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

Scientists with NASA's Lucy mission continue to analyze data collected during the spacecraft's April 20 encounter with the ...

Earth lives in a shooting gallery, with small and large rocky bodies in abundance in our solar system. Are we in danger of ...

World Asteroid Day is observed every year on June 30 to raise awareness about asteroids and the potential hazards they pose ...

The probability that asteroid 2024 YR4 will strike the Moon on December 22 2032 is now approximately 4%, and this probability ...

The next waypoint on Psyche's voyage will be a flyby of Mars in May 2026. Officials expect Psyche to keep that date, which is ...

YR4 is a tailor-made asteroid for planetary defense efforts — it has everything it takes to get our attention." ...

Doha: The world will celebrate on Monday the International Asteroid Day, observed annually on June 30. This day aims to raise public awareness of ...

Orbiting its star in an elliptical path at less than half the distance between Earth and the Sun, this exoplanet offers a ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...