Extrasolar Planets

Strange Extrasolar Planet Orbits Explained

When astronomers discovered that the planets around Upsilon Andromedae had very strange orbits, they weren't sure what could have caused…

20 years ago

New Method Could Detect Alien Space Stations

Since the beginning of astronomical observation, science has been viewing light on a curve. In a galaxy filled with thousands…

20 years ago

Is This the First Photo of an Exoplanet?

Astronomers have discovered more than 150 planets orbiting distant stars, but only indirectly. Now an international team of researchers think…

20 years ago

How Many Habitable Planets Could Be Out There?

The chances of finding life somewhere else in the Universe depends on how many planets are capable of supporting life.…

20 years ago

First Light Seen from an Extrasolar Planet

NASA's Spitzer telescope has detected the light from distant planets for the first time. Until now, extrasolar planets have only…

20 years ago

A Dozen New Planets Discovered

In the last month planet hunters have uncovered 12 new worlds orbiting other stars, bringing the total planet count to…

20 years ago

Diamond Worlds Could Exist

The inner planets in our solar system are largely made of rock, which are formed from silicon. But in a…

20 years ago

Smallest Extrasolar Planet Found

Astronomers from Penn State and Caltech have found the smallest extrasolar planet yet, orbiting a pulsar 1,500 light-years away. The…

20 years ago

Hubble Could Be Seeing a Planet

The Hubble Space Telescope is helping to confirm the potential discovery of an extrasolar planet; the companion of a dim…

20 years ago

Spitzer Sees the Aftermath of a Planetary Collision

NASA's Spitzer Space Telescope has found a dusty ring of material orbiting nearby Vega which was probably the result of…

20 years ago