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

A colossal cloud stretching 1,800 kilometers forms over a Martian volcano every winter—then vanishes by midday.

Earth’s turbulent atmosphere makes it hard to detect new planets from the ground. Astronomer Rebecca Jensen-Clem is working ...

This experiment tests how a boat behaves in a supercritical fluid, revealing surprising physics about density, buoyancy, and extreme states of matter.

The growth spurt hints that the free-floating object evolves like a star, providing clues about rogue planets’ mysterious origins.

We know the Earth’s inner core is largely solid, which sets a ceiling on its temperature, and in turn, how much heat dark ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

About 620 light-years from Earth, a gigantic rogue proto-planet is currently devouring 6.6 billion tons of dust and gas per ...

How To Discover A Planet. On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an ...

Hard disk drives have advanced in capacity along a path roughly parallel to the well-known semiconductor premise.

In the 17th century, astronomers Christiaan Huygens and Giovanni Cassini trained their telescopes on Saturn and uncovered a ...