A seemingly small planetary neighbor may play a larger role in Earth’s climate than previously thought. Mars is only about ...

A new study explains how some supernovae are particularly dazzling—the glow from a magnetic, spinning ball of neutrons called a magnetar. An assist from Einstein is what settled the case ...

Sagittarius: here are your general predictions for the day March 13 ...

Cosmic wisdom can guide us to unexpected paths forward. With clever Mercury trining auspicious Jupiter at 1:23 am EDT, ...

The last backwards idea is that a Venus-Jupiter conjunction is a once-in-a-lifetime miracle. On average, the pair comes close about once a year, though not always in a friendly spot. Many meetings are ...

New spacecraft data from Pioneer, Voyager and Juno show that Jupiter is slightly smaller and more flattened than earlier estimates, refining the planet’s measured size and shape.

Jupiter is the largest planet in the Solar System, a gas giant so massive in scale that it can fit more than a thousand Earths inside it. It's a distant planet that we know fairly little about. But it ...

The measurements from NASA's Juno orbiter mark the first time that the size and shape of Jupiter has been evaluated in more than fifty years. NASA's Pioneer and Voyager missions made observations of ...

The updated measurements won't take away Jupiter's status as the solar system's biggest planet. NASA / JPL-Caltech / SwRI / MSSS Scientists may have been overestimating the size of the solar system’s ...

Like a bad Tinder date, Jupiter is not as big as billed. Scholastic materials across academia will need an overhaul after scientists made the startling discovery that our solar system’s largest planet ...