Posts by 

Paul Scott Anderson

Exciting! 4 new mini-Earth exoplanets at nearby star

Astronomers have confirmed 4 mini-Earth exoplanets orbiting Barnard's Star, a red dwarf and the closest single star to our solar system.

Happy Pi Day! Find ways to celebrate here

March 14 is Pi Day, an annual mathematical event for science lovers. Here's how to celebrate and take part in the NASA Pi Day Challenge!

Remains of destroyed planet found lurking in Helix Nebula

Mysterious X-ray signals coming from the Helix Nebula most likely originate from the debris of a destroyed planet near a white dwarf star, a new study suggests.

New map of Andromeda galaxy and its colossal ecosystem

The Hubble Space Telescope has captured a new bird's-eye view and 3D map of the Andromeda galaxy and its ecosystem of 36 dwarf satellite galaxies.

Enormous rogue super-Jupiter is a surprisingly complex world

New observations by Webb of rogue super-Jupiter SIMP 0136 show that its atmosphere is more complex than thought, explaining its variations in brightness.

Why Mars is red … and the exciting possibilities for life

Are we wrong about why Mars is red? An iron oxide called ferrihydrite might be responsible. If so, this also further supports ancient Mars being habitable.

Vacation-style beaches on Mars? New evidence for lost ocean

Were there once sunny, sandy beaches on Mars? A new study of data from China's Zhurong rover says yes. They were the shorelines of a now long-lost ocean.

Speedy white dwarf planets are more likely to be habitable

Scientists thought that planets around white dwarf stars would be unhabitable. But a new study shows how some white dwarf planets could support life.

Our 1st 3D weather map from a distant exoplanet

Astronomers have created the 1st 3D weather map for an exoplanet 900 light-years away. This hot Jupiter has powerful winds!

A bold new theory of intelligent life and origin of humanity

Was the rise of humanity simply a matter of luck? A new theory says no, that we - and perhaps other intelligent life - are the probable outcome of evolution.