A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

A mysterious "rogue" planet has been observed gobbling six billion tons of gas and dust a second—an unprecedented rate that ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit ...

Just a few weeks ago, we crossed the significant milestone of 6,000 known exoplanets. The counter keeps getting higher, and there are 8,000 more candidates waiting for confirmation. In the decades ...

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

Astronomers have discovered a distant exoplanet with a tail that stretches over 5.5 million miles long. Astronomers have accidentally found a planet with a debris trail like a comet that stretches up ...

Astronomers have discovered that a "rogue" planet is going through a massive growth spurt and it's eating everything around ...

The tests also revealed that the ditches only develop on dunes with very fine, evenly sized sand grains. Coarser or more ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

The New Horizons Pluto flyby revealed unexpectedly complex geological features on dwarf planets, prompting further investigation into the diversity within the Kuiper Belt. Several dwarf planets, ...