Explore how Earth would appear without life. Studies from Universe Today and Cornell University reveal atmospheric signals, surface conditions, and implications for exoplanet observations.

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds ...

Here's a thought experiment that keeps planetary scientists awake at night. Strip every living thing from our planet, every bacterium, every blade of grass, every creature that has ever drawn breath ...

An astronomy professor explains what exoplanets are, why he keeps looking for them and how Israel intercepts missiles “in ...

Compared to previous theories, the current research emphasizes the complexity of the biological and chemical processes that brought about life.

There's a definite buzz going around this month about aliens from other worlds, or hadn't you noticed? Former US President ...

I don’t know how likely extraterrestrial life might be. But no matter what, the truth of Christianity will stand.

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

Since 1971, space agencies have crashed retired spacecraft at Point Nemo, raising concerns about ocean debris and the ISS ...

When the modern electric vehicle was still in its infancy, drivers worried that vehicles would need expensive battery replacements within a few years. But battery lifespans are exceeding expectations.