A gas giant planet called WD 1856b, orbiting the burned-out core of a dead, sun-like star. And in a new study published today in Nature, researchers report an even wilder discovery: Not only is WD ...

For over 10 years, scientists have been decoding the mysterious atmosphere of a famous “Pink Planet.” Now, thanks to ...

A pair of sibling gas giants originally spotted by citizen scientists are so lightweight that their density resembles wispy ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

Credit: NASA/Daniel Rutter There are planets that make Earth look small. And then there are planets like TOI-791 b and ...

Astronomers spotted a potential Earth-size rocky world orbiting a white dwarf, suggesting a future in which our planet outlives its star. By Jonathan O’Callaghan In six billion years the sun will ...

Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. A yellowish-orange glow bathes Phainoterra, a planet of dramatic ...

Rain is usually made of water, but elsewhere in the Solar System the weather can be unimaginably different. Scientists from ...

Astronomers have found evidence of a process that supports an alternative, more rapid approach to planetary formation, more top down than bottom up. By Katrina Miller When it comes to making a planet, ...

Unfortunately for science fiction fans, desert worlds outside our solar system are unlikely to host life, according to new research from the University of Washington. Scientists show that an ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...