Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...
A newly developed computer model reveals that rocky planets must have a radius at least 80 per cent of Earth to maintain a ...
"It’s incredible to think there was once a world this large." The post Scientists Find Chunk of Lost Planet in Desert ...
Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant ...
A Jupiter-mass planet orbiting the millisecond pulsar PSR J2322-2650 completes a full year in roughly 7.8 hours, placing it ...
Instead they circled a pulsar, the dead remains of an exploded star. Clearly nature excels at making planets, even under ...
Four-and-a-half billion years ago, a massive world—possibly as big as the moon or even Mars—orbited our sun before crashing ...
The winds on seven hellish alien worlds are moving in the wrong direction. That strange anomaly just cracked open one of ...
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 ...
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 ...