The Texas-Louisiana border bore the brunt of Harvey's second coming, this time as a tropical depression.
A 200-year mystery has finally been solved by the gruesome account of a Pacific Island castaway.
Babies can tell whether you're saying something positive or negative from 5 months old.
Pallid bats are just a few centimetres long, but the potent venom of the Arizona bark scorpion can't kill them.
Solar energy remains our cleanest and most abundant energy source.
The new findings could shed light on modern climate change.
No one knows why the village was abruptly abandoned 50 years after it was built.
After nearly 20 years in space, the probe is coming to the end of its mission.
How did baleen whales evolve their strange filter-feeding habits?
InSight is set for launch in May 2018.
Researchers have stumbled across a new piece of evidence which shines a light on the mystery.
Harvey has dumped 15 trillion gallons (56 trillion litres) of rain on the Houston area, with another five trillion gallons to come.
The marine reptile is the earliest of its kind to be discovered.
The galaxy's magnetic field is the most distant ever recorded.
No spacecraft as yet has been able to withstand the extreme conditions of Venus for more than 24 hours.
The fossils of the new dinosaur, called Shingopana songwensis, date back to the Cretaceous Period.
Rising floodwaters sends thousands of people to rooftops or higher ground.
The next time you bash your thumb with a hammer, yelling out a swear word could help you relieve pain, scientists say.
Harvey was the biggest storm to hit Texas since Wilma in 2005.
Antares' mass is 12 times of Sun, but due to some mysterious reason the star is losing mass from its atmosphere.
Hurricane Harvey grew into a Category 4 storm as it hit Texas, bringing strong winds of up to 130mph and up to 40cm rain.
Gasoline prices respond to possible disruption as refineries, ports and exploration sites are closed with "life-threatening" storm in sight.
Ice dunes and snowfall on Mars are made of dry ice and not water.
A 12,000-year-old skeleton was found among sabre-toothed cats and giant ground sloths.
It can be reused more than 15 times and carry up to 7 people into low earth orbit
Berlin's huge Tiergarten park is crawling with a species of crayfish native to America's Deep South.
These distinctive Caribbean mammals are a lot tougher than they look.
With five months to go, SpaceX could launch 20 rockets by the end of the year at its current pace.
Pottery hidden in a Sicilian cave contains the oldest traces of Italian wine ever discovered.
Babylonians beat the Greeks to this form of advanced mathematics by 1,000 years.