There is a large diversity in the chemical composition of astronomical objects such as planets, comets, circumstellar ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

NASA’s Deep Space Network just marked 60 years of interstellar communication with a groundbreaking new antenna in Canberra.

The spacecraft is being subjected to extreme temperature changes -- conditions it will face during launch and its journey ...

The company is developing a commercial replacement for the ISS, currently planned to be retired at the end of the decade.

These icy bodies contain organic molecules — and don’t fall into any known category of celestial object we’ve seen before.

Navigating the vast ocean of the galaxy to reach distant stars will be no easy matter, but future spaceships may find many new difficulties finding their way throughout space, and also throughout time ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...

Brown researchers create more efficient design for lightsails — thin membranes that use light to travel through space.

Katy Perry, Gayle King and philanthropist and Jeff Bezos’ fiancée Lauren Sánchez have officially made interstellar history.

Pop artist Katy Perry, journalist Gayle King and four other notable women are set to board Blue Origins rocket today. How ...