NASA's Viking 1 mission blazed a crucial trail with its Mars landing on July 20, 1976. Now, half a century later, that trail ...

From Pluto, Earth would be reduced to a half-lit image only four or five visible pixels wide. Even at that distance, one ...

In a new review, scientists warn that this rapidly escalating, human-driven crisis threatens to upend the biosphere. The ...

Astronomers have found the first confirmed atmosphere around a rocky planet in another star’s habitable zone. The planet, LHS 1140 b, revealed its atmosphere through helium slowly leaking into space.

Extremophiles that thrive in the most unforgiving environments aren’t just biological curiosities. Understanding their ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

Life coach and writer Alex Mathers shares nine cheat codes that will make your life a lot easier, or at least seem a lot ...

Why some of the best places to find alien life could be within our Solar System.

Lawyers for Pamela Smart, who’s serving life in prison for orchestrating the murder of her husband by her teenage student in ...

The giant half-buried Trojan Horse is a visual the Oscar-winning filmmaker has carried with him for more than two decades ...

Scientists were searching for a simpler sugar when radio telescopes instead revealed the first true sugar ever confirmed in interstellar space.

This summer has proven we don’t have to wait for climate change to smack us in the face. The signs of global warming are all ...