Adapted from Archbishop's homily at USC's "Gold Mass" marking the 800th anniversary of the birth of St. Thomas Aquinas.

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Wednesday, February 5 First Quarter Moon occurs at 3:02 A.M. EST. Nearly half a day later, the Moon passes 5° north of Uranus ...

Astronomers have discovered an exoplanet that might have favorable conditions for liquid water. This planet, HD 20794 d, ...

Astronomers have discovered another exoplanet that may have favourable conditions for the existence of liquid water. We are ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.