As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a ...

On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet. Nearly ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

Gravitational assists are an emblematic example of why space travel is hard —it is exactly rocket science, after all. Gravity ...

A recent study in Icarus suggests a wandering star could disrupt our solar system. Simulations reveal that a star passing ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Axiom Mission 4, featuring ISRO astronaut Shubhanshu Shukla, is scheduled to launch to the International Space Station on ...

The last Dragon spacecraft that SpaceX plans to build entered orbit for the first time with "grace." Reaching space on the ...

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

Mercury, the smallest planet in our solar system and the one closest to the Sun, has long baffled scientists with its twisted ...

It was captured by two satellites flying in precise formation, with one spacecraft positioned 150 meters ahead of the other.