Posts by 

Paul Scott Anderson

How to find aliens: Look when their planets are aligned

A new study proposes a novel idea for how to find aliens: Look for their deep space communications when their planets are in alignment, as seen from Earth.

How dark matter in exoplanets could create new black holes

A new study suggests that particles of dark matter in exoplanets could form tiny black holes, which would eventually turn entire planets into black holes.

The Wow! Signal: New analysis closes in on mysterious source

The Wow! Signal, a mysterious radio signal detected in 1977, remains unexplained. However, a recent analysis of the data suggests new possibilities.

An atmosphere on TRAPPIST-1 d? New observations say maybe

Is there an atmosphere on TRAPPIST-1 d? New observations from Webb suggest that if there is, it might be more like Mars or Venus. Or it might not exist at all.

Corals on Mars? NASA rover finds more remarkably weird rocks

Are these unusual formations fossilized corals on Mars? NASA's Curiosity rover found them recently. See more images here.

Rare massive white dwarf was born when 2 stars collided

A rare massive white dwarf star 128 light-years away formed from the collision and merger of 2 stars, NASA's Hubble Space Telescope has found.

Giant free-floating planets might have planets of their own

Giant free-floating planets drift in space with no stars. New observations from the Webb telescope suggest they could have their own planets orbiting them.

Surprisingly chaotic early universe had supersonic turbulence

In a surprisingly chaotic early universe, the 1st star-forming clouds experienced supersonic turbulence only a few hundred million years after the Big Bang.

Journey to a black hole? An innovative, epic mission concept

In a new mission concept, a tiny nanocraft probe could make the journey to a black hole. Once there, it could conduct experiments to test the laws of physics.

Surprise! Glaciers on Mars are made of mostly pure ice

Glaciers on Mars are at least 80% pure ice, a new study finds. Scientists had previously thought they contained a lot more rocky material.