Scientists have been receiving X-ray signals from the Helix Nebula for decades, but now they believe it may hide a horrifying ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Florida Tech's Caldon Whyte is two years into a lengthy universe exploration to earn his Ph.D. in space sciences. After ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

The search for habitable planets has taken a leap forward with new space telescopes probing exoplanet atmospheres for life.

A study suggests planets in white dwarf habitable zones could sustain life for billions of years through key biological ...

"We might have finally found the cause of a mystery that's lasted over 40 years," said researcher Sandino Estrada-Dorado.

A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...

Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...

Scientists already know that a planet must be in the “Goldilocks zone”—not too hot and not too cold—to have liquid water, a ...

This is particularly puzzling, as a vast majority of meteorites can be traced to some well-known parent body—whether that be ...