The unusual radio pulses were detected by the Antarctic Impulsive Transient Antenna (ANITA) experiment, a range of instruments flown on NASA balloons high above Antarctica that are designed to detect ...

Pre-contact Central and South American dogs (Canis familiaris) -- all dogs preceding contact with European settlers -- descended from a single maternal lineage that diverged after dogs entered North ...

Neanderthals likely used river valleys as natural highways and traveled during warmer periods to move approximately 3,250 km (2,000 miles) through the Urals and southern Siberia in less than 2,000 ...

In their new paper, Los Alamos National Laboratory planetary scientist Nina Lanza and colleagues looked at what would be needed to make the surface environment of Mars more Earth-like and what needs ...

Astronomers have discovered the largest known cloud of energetic particles surrounding a galaxy cluster -- the 20-million-light-year-wide cloud around the galaxy cluster PLCK G287.0+32.9.