TWO incomplete, sun-whitened human skeletons lie spoon-fashion beneath a drought-stunted palo verde tree in the Arizona desert.

The winner of the 2013 Rose of Tralee has been announced.

Genetically modified plants have caused a surge in disease-resistant weeds and insects, warns one leading Irish organic food producer.

ASTRONOMERS have identified two roasted Earth-size planets that survived being engulfed by a swollen dying star.

TROUBLED relationships are nothing new for Sex and the City story lines.

EMIGRATION, which is now facing many Irish workers, was top of the agenda yesterday at a conference at the University of Limerick (UL).

THE Aids virus has been affecting people for about 100 years, decades longer than scientists had thought, a new study said yesterday.

The Aids virus has been affecting people for about 100 years, decades longer than scientists had thought, a new study said today.

Nasa’s Phoenix spacecraft has discovered evidence of past water at its Martian landing site and spotted falling snow for the first time, scientists reported.

The Phoenix spacecraft has “tasted” Martian water for the first time, scientists reported.

Scientists believe Nasa’s Phoenix Mars lander exposed bits of ice while recently digging a trench in the soil of the Martian arctic, the mission’s principal investigator said today.

Nasa’s new robot on Mars has reached out and touched the soil for the first time, leaving behind a striking footprint-like impression, scientists said.

Scientists have begun releasing the robotic arm on Nasa’s new Mars spacecraft, one day late because of a radio problem.

Plans for the Phoenix Mars Lander's second day of activities on Mars have been delayed, Nasa officials said today.

Nasa’s Phoenix Mars Lander spent its first full day in the Martian arctic plains checking its instruments in preparation for an ambitious digging mission to study whether the site could have once been habitable.

WALKING upright evolved in humans because it is the most energy-efficient way of getting around, new research suggests.

US scientists have discovered what appear to be sea-size bodies of liquid, probably methane or ethane, on the surface of Saturn’s largest moon.

A TURKISH court yesterday acquitted Elif Shafak, one of that country’s leading authors, saying there was no evidence that she had “insulted Turkishness” in a novel.

The European probe that landed Saturn’s largest moon found a freezing, primitive but active world that, like Earth, seems to be doused with rains that gouge out rivers, erode rocks and form pools, scientists revealed today.