Spacecraft's impact changed asteroid's orbit around the sun in a save-the-Earth test, study finds

A new study has found that an asteroid NASA used for target practice a few years ago was nudged into a slightly different ...
University of California

Scientific definition of a planet says it must orbit our sun. A new proposal would change that

The International Astronomical Union defines a planet as a celestial body that orbits the sun, is massive enough that gravity has forced it into a spherical shape, and has cleared away other objects ...

NASA crashed a spacecraft into a space rock, accelerating two asteroids’ orbit around the sun

The NASA DART spacecraft shifted the orbits of two asteroids around the sun after intentionally crashing into one of them.
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25,000-Year Orbit! New Dwarf Planet Candidate Challenges What We Know About Space

Scientists have recently spotted a huge object far away in the cold outer reaches of our solar system. This 700-kilometer-wide object could be a new dwarf planet. It was discovered traveling a ...

6-planet parade will grace the night sky on Saturday

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.
Earth.com

Pluto has not completed a full orbit since its 1930 discovery

Pluto will complete its first orbit since 1930 in 2178, a historic 248-year space journey that spans generations of humans.
Badgers Wire

6 planets to align for ‘planet parade.’ How to see rare astronomical event

Who’s ready for a “planet parade”? The last planetary alignment was in August 2025, when six planets aligned and four were ...
KTVZ

Four planets found orbiting a star 6 light-years from Earth

(CNN) — After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting Barnard’s Star, the nearest single star system to Earth. The four planets are ...