Magnetic reconnection, a universal process that sets off solar flares, northern lights and cosmic gamma-ray bursts, occurs so much faster than theory says should be possible. Now this puzzle could be solved.
In a first, an optical clock has traveled to space, surviving harsh rocket launch conditions and successfully operating under the microgravity that would be experienced on a satellite.
A new study provides evidence that a significant fungal threat to human health grows and behaves similarly on the International Space Station compared with Earth.
New research presents the first measurements of the changing strengths of oxygen emission lines from the present day and back to 12.5 billion years ago.