News
- Life
Bornavirus genes found in human DNA
Researchers have found molecular fossils of an RNA virus in human and other mammalian genomes, pushing back the emergence of RNA viruses millions of years.
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- Health & Medicine
New test could discern serious condition early after bone marrow transplant
Protein level in blood reveals graft-versus-host disease, may indicate severity of this complication
By Nathan Seppa - Earth
Footprints could push back tetrapod origins
Newly discovered trackways much older than previous evidence for sea-to-land transition.
By Sid Perkins - Life
Moss counters shortness with A-bomb-style clouds
Sphagnum overcomes drag by launching its spores in vortex rings.
By Susan Milius - Space
Comets don’t all start out on the fringe
A new model suggests that comets also come from the inner Oort Cloud and offers a way to resolve a massive problem about the early solar system.
- Space
Hubble goes deep and wide for new view of galaxies
A newly released multiwavelength image portrays 12 billion years of cosmic history, depicting the assembly of galaxies in unprecedented detail.
By Ron Cowen - Health & Medicine
Celebrex combats skin cancer in vulnerable group
Anti-inflammatory drug limits number of tumors in patients with hereditary condition
By Nathan Seppa - Space
Parting Eta Carinae’s clouds reveals more clouds
New images show the nearby star system's inner beauty.
- Space
Plenty of black holes do-si-do
Team finds 33 merging galaxies with 'waltzing' black-hole pairs, suggesting the phenomenon is more common than thought.
- Space
Kepler space telescope finds its first extrasolar planets
The NASA mission uncovers one Neptune-like and four Jupiter-like bodies.
By Ron Cowen - Space
New-found galaxies may be farthest back in time and space yet
Potential finding uses data that push limits of current technology.
By Ron Cowen