The 2,400 people aboard would leave Earth knowing they would never see it again. Their children would be born in deep space.

A team of astronomers studying the interstellar comet 3I/ATLAS has found an unusually large amount of nitrogen streaming off ...

UK astronomers have uncovered new clues about the origin of 3I/ATLAS—only the third known object from beyond the solar system ...

Interstellar comet 3I/ATLAS contains exceptionally high levels of methanol, suggesting it formed under conditions very different from those that shaped most comets in our solar system. ALMA also ...

Welcome back to our series on Interstellar Travel, where we look at the many proposals made for sending missions to the stars ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have spotted what they think might be an "interstellar object" hurtling through the solar system — and it's headed ...

The Fermi Explorer Mission plans to launch a spacecraft to our nearest star by the end of 2029, using a trajectory discovered ...

Interstellar has been a major hit at the box office after returning to theaters to celebrate its 10th anniversary. The film grossed $4.6 million during its first weekend back in theaters, landing it ...