NASA prepares to say 'farewell' to InSight spacecraft

The day is approaching when NASA's Mars InSight lander will fall silent, ending its history-making mission to reveal secrets of the Red Planet's interior. The spacecraft's power generation continues to decline as windblown ...

A close encounter with a mysterious moon

In 1877, American astronomer Asaph Hall discovered two small moons circling the planet Mars, later named Phobos and Deimos after the Greek for "fear" and "panic."

NASA and ESA agree on next steps to return Mars samples to Earth

The next step in the unprecedented campaign to return scientifically selected samples from Mars was made on Oct. 19 with a formal agreement between NASA and its partner ESA (European Space Agency). The two agencies will proceed ...

NASA's InSight lander detects stunning meteoroid impact on Mars

NASA's InSight lander recorded a magnitude 4 marsquake last Dec. 24, but scientists learned only later the cause of that quake: a meteoroid strike estimated to be one of the biggest seen on Mars since NASA began exploring ...

Surface waves help map the interior of Mars

Researchers have observed seismic waves propagating along the surface of a planet other than Earth for the first time. The marsquakes that resulted from two large meteorites that hit Mars were recorded by NASA's InSight lander ...

Magma on Mars likely, study finds

Since 2018, when the NASA InSight Mission deployed the SEIS seismometer on the surface of Mars, seismologists and geophysicists at ETH Zurich have been listening to the seismic pings of more than 1,300 marsquakes. Again and ...

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