Astronomers announced last week that they had found what might be the first habitable planet outside the solar system.

Astronomers announced yesterday that they had found the remains of an ancient cosmic car wreck.

On January 15, 2000, astronomers announced that they had found one of the coolest brown dwarfs then known.

July 25 - British astronomers announce they have found what appears to be an extrasolar planet.

Astronomers announce the discovery of the smallest exoplanet, yet, with about 7.5 times Earth's mass.

Following this incident, astronomers announce that they have discovered the remains of the dead planet Krypton.

Astronomers announced last week that they had measured a large ice ball far beyond Pluto, first discovered last year.

On May 21, 2008, astronomers announced that they had for the first time caught a supernova on camera just as it was exploding.

On 15 September 2011, astronomers announced the first partial-eclipse-based discovery of a circumbinary planet.

Astronomers announce this as evidence that the theory of the cosmological constant proposed, but later discarded, by Einstein may have been right after all.