Despite mapping the human genome, discovering gravitational waves, and sending rovers to Mars, science still faces profound mysteries that would make even Einstein scratch his head. These aren’t just ...

From the greatest enigmas of time and space to the strangest places, right here on Earth, through the mysteries of the human ...

Dark matter may be far more complicated than scientists once believed. A new study suggests it could consist of at least two different kinds of particles that slowly separate over time, with heavier ...

In the present state of the world’s evolution, Antarctica is the only continent that is overwhelmingly in the grip of an ice age. In its vast expanse (5,300,000 sq. mi.) lies the key to much of the ...

Pessimists who fear that science is exhausting nature’s mysteries can take fresh hope from a newly published book: The Natural History of Mosquitoes, by Dr. Marston Bates (Macmillan; $5). Mosquitoes ...

In the not too distant future, somewhere in time and space, Mike Nelson and his robot pals are back in that same old place. For the first time in nearly three decades, Nelson is once again stepping in ...