Scientists have long puzzled over how Mars, a cold and dry planet, was once warm enough to support liquid water.
When Roger Shawyer's EmDrive was first proposed in 2001, it seemed too good to be true. The proposed electromagnetic drive ("Em" for short) needed no fuel,...
New studies find the interstellar comet 2I/Borisov is the most "pristine" ever discovered.
This storm rained electrons, shifted energy from the sun's rays to the magnetosphere, and went unnoticed for a long time.
New study suggests the placebo effect can be as powerful as microdosing LSD.
The study suggests scientists are underestimating the number of animal species that could generate the next novel coronavirus.
Introducing the Deep Space Food Challenge.
How do these little beasties detect light anyway?
Researchers discover strange behavior in magnetars, ultra-powerful magnetic stars.
Researchers discover black holes that violate the uniqueness theorem and have "gravitational hair."