Pluto's discovery was widely celebrated, especially in the U.S. After all, it was the first planet discovered in the new world, and America needed the win in 1930.

A team of astronomers led by Macquarie University has monitored the orbital decay of an extreme exoplanet to gain new ...

What can ultra-hot Jupiter exoplanets teach astronomers about planetary formation and evolution? This is what a recent study ...

Macquarie University astronomers have tracked an extreme planet's orbital decay, confirming it is spiraling toward its star in a cosmic death dance that could end in three possible ways.