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Astronomy

Jupiter's moon Io has been volcanically active for billions of years

Jupiter's moon Io has been volcanically active for billions of years

Jupiter's moon Io is the most volcanically active place in the solar system. During its 1.8-day orbit, this moon is gravitationally squeezed by Jupiter, leading to volcanic eruptions larger than any on Earth today.

A new type of seismic sensor to detect moonquakes

A new type of seismic sensor to detect moonquakes

During the Apollo missions of the 1970s, several seismometers were flown to the Moon.

Strong magnetic fields spiraling at the edge of the Milky Way’s central black hole

Strong magnetic fields spiraling at the edge of the Milky Way’s central black hole

Event Horizon Telescope has uncovered strong and organized magnetic fields spiraling from the edge of the supermassive black hole Sagittarius A*.

Hiccups in a black hole are likely due to another punching black hole

Hiccups in a black hole are likely due to another punching black hole

A tiny black hole repeatedly punches through a larger black hole’s disk of gas.

Study determines the original orientations of rocks drilled on Mars

Study determines the original orientations of rocks drilled on Mars

The “oriented” samples, the first of their kind from any planet, could shed light on Mars’ ancient magnetic field.