Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star.

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our sun. Like many small stars ...

Scientists have discovered a giant planet called TOI-6894b, orbiting a star that should be far too small to have formed it.

The astronomers discovered the planet when searching through more than 91,000 low-mass red dwarfs observed by NASA's TESS ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

The Unexpected PlanetStar TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our Sun. Like many small stars, it ...

An international team of astronomers has discovered a giant planet orbiting the smallest known star to host such a companion.

The gas giant's influential place in shaping our solar system is what intrigued the researchers to take a closer look it it. Jupiter is already the biggest planet ... even after 4.5 billion ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' ...

Just a few decades ago, when we glanced skyward, we didn’t know for certain whether any star visible to the naked eye hosts planets like our own. Now, NASA scientists estimate that, on average ...

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...