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 ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...

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 ...

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 ...

It was in the 17th century that Christiaan Huygens and Giovanni Cassini first revealed Saturn’s stunning rings, changing the ...

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 ...