Dive into the extreme world of Venus with our latest video! From its acid rain to potential signs of life, discover the ...

The Tethered Observatory for Balloon-based Imaging and Atmospheric Sampling is an idea awarded a NIAC grant by NASA earlier this year.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know.