Science Glance
Nicolaus Copernicus, the 16th-century astronomer whose findings were condemned by the Roman Catholic Church as heretical, was reburied by Polish priests as a hero on Saturday, nearly 500 years after he was laid to rest in an unmarked grave.
His burial in a tomb in the cathedral where he once served as a church canon and doctor indicates how far the church has come in making peace with the scientist whose revolutionary theory that the Earth revolves around the Sun helped usher in the modern scientific age.
Astronomer Copernicus reburied as hero
Stephen Hawking warns over making contact with aliens
Aliens almost certainly exist but humans should avoid making contact, Professor Stephen Hawking has warned. In a series for the Discovery Channel the renowned astrophysicist said it was "perfectly rational" to assume intelligent life exists elsewhere.
Microbes galore in seas; "spaghetti" mats Pacific
The ocean depths are home to myriad species of microbes, mostly hard to see but including spaghetti-like bacteria that form whitish mats the size of Greece on the floor of the Pacific.
The survey, part of a 10-year Census of Marine Life, turned up hosts of unknown microbes, tiny zooplankton, crustaceans, worms, burrowers and larvae, some of them looking like extras in a science fiction movie and underpinning all life in the seas.
New species 'live without oxygen'
Three species of creature, which are only a millimetre long and resemble jellyfish encased in shells, were found 2.2 miles (3.5km) underwater on the ocean floor, 124 miles (200km) off the coast of Crete, in an area with almost no oxygen.
The animals, named Loriciferans due to their protective layer, or lorica, were discovered by a team led by Roberto Danovaro from Marche Polytechnic University in Ancona, Italy.
Photos released of two-million-year-old fossils
The remarkable remains of two ancient human-like creatures (hominids) have been found in South Africa. The fossils of a female adult and a juvenile male - perhaps mother and son - are just under two million years old.
Giant lizard species discovered in the Philippines
A new species of giant lizard has been discovered in the Philippines. The 2m-long reptile is a monitor lizard, the group to which the world's longest and largest lizards belong.
The monitor, described as spectacular by the scientists who found it, lives in forests covering the Sierra Madre mountains in the north of the country. The striking reptile has bright yellow, blue and green skin, and survives on a diet of just fruit, yet until now it has escaped the eyes of biologists.
"It is an incredible animal," says Dr Rafe Brown, one of the scientists who describe the new lizard in the journal Biology Letters. In the journal, the researchers describe how rare it is to find such a large terrestrial animal new to science.
Missing link between man and apes found
The new species of hominid, the evolutionary branch of primates that includes humans, is to be revealed when the two-million-year-old skeleton of a child is unveiled this week.
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