James Webb Telescope tracked weather on rogue planet named SIMP 0136, showing auroras, sand clouds, and temperature changes.

Astronomers have observed a massive growth rate in a free-floating rogue planet that’s gobbling up gas and dust at a record ...

On October 3, Comet 3I/ATLAS will be almost 29 million kilometers (18.006 million miles) from Mars. The European Space Agency ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

These Martian dunes in Mars' northern hemisphere were captured from above by NASA's Mars Reconnaissance Orbiter using its ...

Forty-three years ago, in March 1982, humanity received its last direct visual postcard from the surface of Venus.

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the ...

Astronomers using the James Webb Space Telescope are unraveling the mysteries of TRAPPIST-1e, an Earth-sized exoplanet 40 ...

Northern lights, or auroras, are not exclusive to Earth. Astronomers have already detected this phenomenon on most planets ...

Plus: Why are hurricanes so powerful? Are winds on other planets like they are on Earth? The answer, my friend, is blowin' in ...

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the ...