After nearly 50 years in space, Voyager 1 sent back a signal so faint it seemed almost impossible to hear. This story ...

A new study shows that a solar sail may face drag force from the very light that powers it.

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

Scientists failed to find radio signals emanating from interstellar comet 3I/ATLAS, further bolstering its status as a natural object, not one made by aliens.

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth. Launched in 1977, Voyager 1 is ...

NASA is gearing up for a "Big Bang" activity that could extend the lives of the Voyagers' remaining instruments. When you purchase through links on our site, we may earn an affiliate commission.

A few days ago, an inscrutable interstellar interloper made its closest approach to Mars, where a fleet of international spacecraft seek to unravel the red planet’s ancient mysteries. Several of the ...

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...

NASA spacecraft observed the celestial iceball as it swung past Mars last October, venturing within 19 million miles ...

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