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A balloon-shaped robot explorer that one day could search for water on other planets has survived some of the most trying conditions on planet Earth during a 70-kilometer (40-mile), wind-driven trek across Antarctica.

The Tumbleweed Rover, which is being developed at NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, Calif., left the National Science Foundation’s Amundsen-Scott South Pole Station on Jan. 24, completing its roll across Antarctica’s polar plateau roughly eight

A drug widely used to prevent nausea and other side effects in patients receiving chemotherapy for breast cancer may also, unfortunately, prevent the therapy from working efficiently on tumor cells, researchers from the University of Chicago report in the March 1 issue of the Journal, Cancer Research.

Dexamethasone, a synthetic steroid, is routinely given to women just before they receive chemotherapy with either paclitaxel or doxorubicin, two drugs commonly used to treat breast cancer. In

Astronomers at the University of California, Berkeley, have discovered the nearest and youngest star with a visible disk of dust that may be a nursery for planets.

The dim red dwarf star is a mere 33 light years away, close enough that the Hubble Space Telescope or ground-based telescopes with adaptive optics to sharpen the image should be able to see whether the dust disk contains clumps of matter that might turn into planets.

“Circumstellar disks are signposts for planet formati

Before humans can leave their boot prints on the dusty surface of Mars, many questions have to be answered and many problems solved. One of the most fundamental questions – one that has intrigued humankind for centuries – is whether life has ever existed on Mars, the most Earthlike of all the planets.

Through its long-term Aurora Programme of solar system exploration, ESA is already preparing a series of robotic missions that will reveal the Red Planet’s secrets and pave the way for a human

Mayo Clinic researchers discover that key cancer gene cbp doesn’t work alone; Important clue to targeting new treatments for lymphoma, breast and colon cancers

Mayo Clinic cancer researchers have discovered a key partnership between two genes in mice that prevents the development of cancer of the lymph nodes, known as T-cell leukemia or lymphoma.

This first-time finding provides researchers with a promising target for designing new anti-cancer drugs that fight lymphomas,

Researchers in obstetrics and gynecology and reproductive endocrinology at Cedars-Sinai Medical Center and the University of Alabama at Birmingham suggest that specialists should consider the routine use of laparoscopic evaluation when women are unable to become pregnant after four cycles of the “fertility pill” clomiphene citrate. They made their recommendation after reviewing 92 patient cases over an eight-year period. Some physicians have in the past few years forgone laparoscopy