For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

The Sun seems like a constant, reassuring presence day to day, but it's actually fairly tempestuous and changeable. One ...

NASA's Nancy Grace Roman Space Telescope will help scientists better understand our Milky Way galaxy's less sparkly ...

NASA’s Perseverance Mars rover — built and managed by the Jet Propulsion Laboratory in La Canada Flintridge — collected a ...

NASA’s Perseverance rover has delivered its most compelling clue yet in the search for life on Mars. A rock sample called “Sapphire Canyon,” taken from the Bright Angel formation in Jezero Crater, ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

NASA’s Perseverance Mars rover collected a rock sample that NASA leaders say offers the best signs yet that ancient Mars ...

This animation depicts water disappearing over time in the Martian river valley Neretva Vallis, where NASA’s Perseverance ...

Astronomers studying an oddball brown dwarf called “The Accident” have finally spotted silane, a long-predicted silicon ...

Detailed analysis of images of speckled rocks found by NASA’s Perseverance rover has found a “potential biosignature.” ...