NASA's new moon rocket sprang another dangerous fuel leak Saturday, forcing launch controllers to call off their second attempt to send a crew capsule into lunar orbit with test dummies.

Scientists in Zimbabwe have discovered the remains of Africa's oldest dinosaur, which roamed the earth around 230 million years ago.

Six billion years ago, two galaxies were colliding, their combined forces hurling a stream of gas hundreds of thousands of light years away. Reported this week by a team including Pitt astronomers, that unusual feature provides a new possible explanation for why galaxies stop forming stars.

Elke Weber became a research psychologist with cross-training in business so that she could investigate how individuals approach financial risks. But a chance opportunity at her first faculty job, at the University of Illinois at Urbana-Champaign in the late 1980s, threw her together with agricultural economists trying to understand if or how local farmers thought about climate change.

Bottlenose dolphins' signature whistles just passed an important test in animal psychology. A new study by my colleagues and me has shown that these animals may use their whistles as name-like concepts.

Small amounts of oil from a bulk carrier that collided with a gas tanker off Gibraltar has reached the shoreline of the British territory and neighboring Spain, local officials said Friday.

Californians sweltering in the West's lengthening heat wave were asked to reduce air conditioning and cut other electricity use again during critical hours Friday and again Saturday to prevent stress on the state's electrical grid that could lead to rolling blackouts.

After technical issues halted its first launch attempt, NASA will try again on Saturday to get its new 30-story rocket off the ground and send its unmanned test capsule towards the Moon.

Up to 400,000 visitors are expected to flock to the Florida coast on Saturday, hoping to catch a glimpse—and hear the roar—of NASA's rocket launch to the Moon.

Monitoring and measuring forest ecosystems is a complex challenge because of an existing combination of softwares, collection systems and computing environments that require increasing amounts of energy to power. The University of Maine's Wireless Sensor Networks (WiSe-Net) laboratory has developed a novel method of using artificial intelligence and machine learning to make monitoring soil...