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The highly anticipated Delta IV Heavy rocket at Vandenberg Air Force Base will get another chance at liftoff Tuesday evening. The United Launch Alliance rocket blastoff is planned for 5:57 p.m.

The Geminid meteor shower has already peaked - but you still have time to try to catch sight of what will likely be the best meteor shower of the year.

Neanderthals may have gone extinct some 40,000 years ago, but thanks to long-ago species interbreeding, their genes live on in modern humans.

The moment a young “Mini-Me” star is born orbiting another giant sun has been spotted by astronomers. Unusually the star is forming in the same way that our sun was, from a mass of swirling space debris in the orbit of a giant sun.

Earlier this year, around 1.5 million Adélie penguins were discovered among a stretch of small Antarctic islands known as the Danger Islands.

A new Arctic Report Card from the U.S. National Oceanographic and Atmospheric Administration (NOAA) has revealed that the wild reindeer and caribou populations have plummeted by more than half over the last two decades.

KATOWICE, Poland (AP) - The Latest on the U.N. climate meeting (all times local):. 9:15 p.m.. Countries have agreed that Chile will host next year's U.N.

In 2014 pink guano deposits that showed up in Landsat images revealed that some 1.5 million Adélie penguins live on the Danger Islands off the Antarctic Peninsula in a previously unknown colony.

China's Chang'e-4 lunar rover is due to touchdown on the far side of the moon around New Year, 2019 at the Von Kármán crater in Aitken Basin –the craggy and complex terrain of the lunar south pole region.

It took five weeks of round-the-clock treatment to keep Benedicte alive after her mother died.

When the development of the gonads or genitalia follows an alternative course, the result is sometimes called a disorder of sex development (DSD) or sex reversal.

NASA's InSight on the Martian surface. The odd teal color is not the actual color of the probe, but rather a visual artifact caused by reflected light.

Roland Crooke took a loan to pay for private treatment after being told to lose weight for hip surgery

Learn how chase away the Moon to keep Comet 46P/Wirtanen in a dark sky. Here's an update on the comet's progress and what to look for in the coming nights.

There was no major incident, just confusion, and the scale of the incident was overstated, a report finds.

A gaseous alien world is evaporating at a record rate, shedding considerable light on an exoplanet mystery, a new study reports. The Neptune-size planet, known as GJ 3470b, orbits close to a young, active red dwarf star that lies 97 light-years from Earth.

A dead star gives off a greenish glow in this Hubble Space Telescope image of the Crab Nebula, located about 6,500 light years from Earth in the constellation Taurus.

Beau Austin has now been given a bravery award for his quick thinking.

Experts have invented a tiny sensor that can be placed onto bees, making them a small drone that can oversee farm conditions for a long period.

NASA's solar-powered Juno spacecraft will soon reach the halfway point in data collection of Jupiter when it makes its 16th science pass of the gas giant.