Posts by 

Paul Scott Anderson

1st wandering black hole found in Milky Way

For the 1st time ever, astronomers say they have found a solitary, wandering black hole in our galaxy. It is estimated to be 7.1 times the mass of the sun.

Earth’s oxygen provides new clues to alien life

Scientists announced new findings about when Earth's oxygen 1st increased in the atmosphere. The results will help scientists search for life on other worlds.

Polar lakes on Mars? 2 new studies add to debate

Are there really polar lakes on Mars, under the ice? Two new studies, one pro and one con, add to the debate.

Purple rocks on Mars intrigue scientists

NASA's Perseverance rover has found rocks with odd purple-colored coatings on them. What are these purple rocks on Mars? Could they be signs of microbial life?

New exomoon candidate discovered: Is it real?

Astronomers announced a new exomoon candidate orbiting an exoplanet about 5,400 light-years from Earth. It is the latest possible exomoon found so far.

Rugby ball-shaped exoplanet surprises astronomers

New observations from an international team of astronomers have revealed a giant rugby ball-shaped exoplanet. It is the first such deformed exoplanet seen.

Dying star’s explosive end seen by astronomers

For the first time, a dying star's explosive end has been caught as it happened. Two telescopes in Hawaii witnessed the event.

Mysterious dusty object baffles astronomers

Astronomers have found a mysterious dusty object orbiting a star 2,300 light-years from Earth. It's emitting large amounts of dust, yet remaining intact.

The 1st known exoplanet magnetic field

An international team of astronomers has discovered a magnetic field on exoplanet HAT-P-11b, a Neptune-sized world 123 light-years away.

Ice on Earth-like worlds might be rare

Ice on Earth-like worlds orbiting other stars may be fairly rare at the planets' poles, according to a new study from researchers in the U.S. and Switzerland.