The universe is full of strange and terrifying worlds that are unlike anything we know here on Earth. From planets that are covered in oceans of molten metal to gas giants with temperatures hotter ...

Not all planets are lucky enough to orbit a star. Some are cast adrift into the cold, dark depths of space completely alone. These mysterious objects are known as rogue planets, and they challenge ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet ...

Astronomers have been left puzzled by the discovery of an unusually large planet orbiting a remarkably small star, a cosmic ...

When astronomers look at distant objects—far away in both space and time—all too often, dust gets in their eyes. Well, not ...

Around 16-17 June, Mars will appear to pass close to Regulus, the bright star at the heart of the constellation Leo, the lion ...

A collision between our Milky Way galaxy and the neighboring Andromeda galaxy, long considered inevitable, may be in question ...

Researchers estimate that MoM z14 was created 280 million years after the Big Bang, 10 million years earlier than the ...

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has ...