Ex-Google CEO Eric Schmidt aims to fly the first private space telescope by 2029. Will it pave the way for more private ...

Within a few dozen light years of the Sun, the sky is crowded with stars that could, in principle, host living worlds. I want ...

Study finds Mars helps pace Earth's ice ages through gravity. Remove Mars, and a major 2.4-million-year climate rhythm ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

How does Mars influence Earth’s climate cycles? This is what a recent study published in the Publications of the Astronomical Society of the Pacific | Space ...

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

On Jan. 11, 2026, I watched anxiously at the tightly controlled Vandenberg Space Force Base in California as an awe-inspiring ...

Among other things, the James Webb Space Telescope is designed to get us closer to finding habitable worlds around faraway ...

The hunt for worlds beyond our solar system has shifted from counting planets to confronting extremes that strain basic ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...