Posts by 

Paul Scott Anderson

True colors of Uranus and Neptune in newly processed images

Researchers at the University of Oxford in the UK have determined the true colors of Uranus and Neptune. They are much more similar than previously thought.

The ESPRESSO planet-hunter looks at Jupiter

For the 1st time, astronomers have used an instrument designed to study exoplanets - ESPRESSO, on the Very Large Telescope - to observe the planet Jupiter.

Hubble watches spoke season in Saturn’s rings

NASA's Hubble telescope has recently observed spoke season in Saturn's rings. The spokes are ghostly transient features that appear and disappear seasonally.

Mystery in the Orion Nebula: Pairs of rogue planets?

The James Webb Space Telescope has discovered something unexpected in the Orion Nebula: pairs of unusual planet-like 'binary objects' drifting freely in space.

How many recipes for life in the universe?

Researchers in Wisconsin are searching for and testing new chemical recipes for the origin of life. Such recipes for life may be common in the universe.

Perseverance rover reveals history of ancient habitable lake

NASA's Perseverance rover has collected 23 samples of rock so far in Jezero Crater on Mars. Analysis shows the ancient lake in the crater was quite habitable.

The day the solar wind disappeared at Mars

In December 2023, at the American Geophysical Union meeting in San Francisco, scientists discussed a rare "disappearance" of the solar wind at the planet Mars.

Tiny brown dwarf is smallest found so far

NASA's Webb space telescope has found a tiny brown dwarf that is the smallest free-floating brown dwarf ever seen. Scientists aren't quite sure how it formed.

The strange case of 2 missing giant exomoons (and maybe others)

Astronomers in Germany say that 2 possible giant exomoons probably don't actually exist. That's disappointing, but there are still some other candidates.

Watery plumes on Enceladus could hold signs of life

Do the plumes on Enceladus contain evidence of life from the moon's ocean? A new study shows that amino acids could survive and be detectable by spacecraft.