A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Scientists found a 430-million-year-old leech fossil, Macromyzon siluricus. It shows leeches first lived in oceans and did ...

The study, which was published in Proceedings of the National Academy of Sciences (PNAS), sheds new light on one of science’s ...

With the recent discovery of traces of what may or may not be or have been life on Mars, eyes are turning to another world in ...

The find represents the first clear detection of a baby planet taking shape within a disc of dust and gas with multiple rings. The ground-breaking discovery was made using European Southern ...

Using 11 years of magnetic field measurements from the European Space Agency's Swarm satellite constellation, scientists have ...

A small asteroid flew 266 miles over Antarctica. It was too small to pose a threat, but objects of that size can produce fireballs.

Scientists discovered a previously hidden ecosystem - lagoons in Argentina's Puna de Atacama harbors microbial communities, ...

A new climbing reptile from the Jurassic period, Sphenodraco scandentis, has been discovered following the reconstruction of ...

A recent discovery that may indicate ancient life on Mars has a little-known connection to eastern Iowa and the University of ...

As space agencies race to set foot on the Moon, Mars, and elsewhere, a not-so-glamorous problem could be the key to success: ...