Interstellar space exploration has long been the stuff of science fiction, a technological challenge that many engineers believe humans just aren’t up to yet. But an ongoing study by a group of ...

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Tiny gram-scale interstellar probes pushed by laser light are likely to be the only technology capable of reaching another star this century and a NASA NIAC phase 1 study wants to work out the ...

In October 2017, an asteroid-hunting telescope in Hawaii detected something unusual. A cigar-shaped object about twice the size of the Eiffel Tower was booking it past Earth at nearly 60,000 miles per ...

A comet born around another star crossed into our solar system, accelerated to roughly 153,000 miles per hour at its closest ...

Interstellar comet 3I/ATLAS, the third known object to enter our solar system from another star, underwent a dramatic ...

We are all living in a bubble. In pandemic times, we’ve been stuck in our little social bubbles for nearly a year. Politically speaking, we’ve been living in bubbles for decades, probably. But ...

Scientists who want to understand what's beyond our solar system have designed an interstellar spacecraft that could go out farther and faster... If NASA greenlights this interstellar mission, it ...

It sounds like science fiction: a spacecraft, no heavier than a paperclip, propelled by a laser beam and hurtling through space at the speed of light toward a black hole, on a mission to probe the ...