From dazzling Jupiter high in the evening sky to elusive Mercury low at sunset, February 2026 offers one of the year's best ...

The solar system’s most giant planet is slightly less of a giant than scientists once thought. Jupiter, a planet so huge it could hold 1,000 Earths, is 8 kilometers less wide at its equator and 24 ...

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

Discover mind-blowing facts about the Solar System in our video "25 Insanely Cool Facts About the Solar System" WATCH OUR ...

The tallest cliff in the solar system is so extreme that even imagining standing on its edge is enough to make your stomach ...

At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA's ...

Scientists on Earth use seismometers to get a more detailed picture of what the inside of the Earth is made of. Those seismometers record vibrations from earthquakes. The vibrations change depending ...

SMC Planetarium offers solar system and black hole shows in January and February, with tickets $7-16. Shows run Fridays at 6pm and Sundays at 1pm in Santa Monica.

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

NASA has scheduled the launch for the Artemis II moon rocket for no earlier than Feb. 8. WTOP will have details on the ...