false positives

5,000 Exoplanets!

Before NASA's TESS (Transiting Exoplanet Survey Satellite) mission launched in 2018, astronomers tried to understand what it would find in…

2 years ago

Is That a Fossil on Mars? Non-Biological Deposits can Mimic Organic Structures

There's nothing easy about searching for evidence of life on Mars. Not only do we somehow have to land a…

3 years ago