A NASA scientist is warning that Earth currently has no reliable way to stop thousands of so-called “city-killing” asteroids that could one day strike the pla ...

Astronomers have puzzled for years over a strange pattern in the outer solar system. A surprising number of icy bodies far beyond Neptune resemble snowmen, made of two rounded lobes stuck together.

Scientists discussed the threat of asteroids at a recent conference in Phoenix. Here's what they said.

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

A highly acclaimed Caltech scientist was fatally shot on the porch of his home in Los Angeles. At around 6:10 a.m. local time ...

Technical and oversight problems left two astronauts aboard the International Space Station for months longer than had been expected.

THE Moon’s “skin” is cracking as Earth’s lunar pal SHRINKS, scientists say. Rather than being a dead rock whizzing around Earth, our neighbouring moon is still active – ...

NASA has raised red flags over growing asteroid threats that could potentially damage the Earth.To one’s surprise, astronomers are unaware of the location of thousands ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

Senior figures at NASA have issued a stark warning regarding the safety of Earth from space-borne threats. Speaking at a ...

Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

A planetary defense expert working for NASA warned that humanity has no defense against up to 15,000 undetected near-Earth asteroids that could wipe out a city.