New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

A new study suggests that Uranus and Neptune may not be ice-rich planets after all. Researchers from the University of Zurich propose that these distant worlds could be dominated by rock, challenging ...

Out of all the planets in the Universe, Earth is clearly the best for life, right? Wrong. Earth may be great, but scientists ...

Jupiter may be the biggest planet in the Solar System, but its days are numbered. Because today, we’re using Earth’s biggest, ...

NASA’s Parker Solar Probe observed solar wind reversing direction, capturing inflows and coronal material returning to the Sun, providing new insights into solar magnetic field dynamics.

A strong geomagnetic storm could make the Northern Lights visible across several U.S. states on Friday. Learn which areas may ...

Researchers have uncovered evidence that Uranus and Neptune could be far rockier on the inside than anyone expected.

This launch is important for a few reasons. First, it shows that Blue Origin is serious about competing in the heavy-lift ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

Evidence for this idea comes from lunar soil samples brought back by Apollo astronauts in the 1970s. Scientists analyzing ...

Astronomers have mapped the turbulent edge of the Sun where solar matter manages to escape the Sun's fierce magnetic grip.

Images captured by NASA's Parker Solar Probe as the spacecraft made its record-breaking closest approach to the sun in ...