Voyager 1 is on a journey that will outlast civilizations, outlive the Sun’s familiar neighborhood, and eventually drift into ...

The space probe, which has explored the outer reaches of our solar system since 1977, will soon be exactly one light-day away ...

(BlackJack3D/iStockphoto/Getty Images) Water is crucial for life to flourish, which is why it's something scientists search ...

Alien life may not need the kind of home humans instinctively search for. Some of the strangest possibilities begin once ...

What starts as a single blurry photo turns into a full expedition across one of speculative biology's most carefully ...

The leading UFO expert Nick Pope reportedly claimed before his death that the government was deliberately keeping information ...

A mysterious celestial object has arrived from outside the solar system.Last time, I talked about 'Tabby's Star,' where a ...

Mars once had active volcanoes, like Olympus Mons, which is three times higher than Everest, and so massive that when it ...

Now they have cheesy roadside attractions with animated space aliens waving outside the door.” Intrigued, Lili asked “What ...

On planet Earth, our 'secondary atmosphere' has been with us for billions of years and its chemical balance reflects the ...

Japanese space agency JAXA has successfully launched a mission to visit the moons of Mars — and bring a sample back to Earth.