NASA’s InSight lander has deployed its first instrument onto the surface of Mars, completing a major mission milestone. New images from the lander show the seismometer on the ground, its ...

For those outside the rocking and rolling of California’s tectonic plate, earthquakes probably don’t come up on a daily basis as a topic of conversation. Regardless, the instrument to measure them is ...

Besides their successful landing on the moon, the astronauts of Apollo 11 made another historic “first” in July 1969 when Buzz Aldrin radioed a message back to Earth: “Houston, the passive seismometer ...