Interstellar comets offer the tantalizing opportunity for us to touch something truly otherworldly,” says the European Space ...

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

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

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 ...

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

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

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

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

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

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