How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

A physicist proposes that the universe is not empty space, but is a viscous fluid, fueling the expansion and contraction we see.

I asked my friend Julie Ménard how Earth formed. She’s a planetary scientist at Washington State University. She told me it started with the Big Bang. That was nearly 14 billion years ago. “The Big ...

Physicists suggest that a single, extraordinarily powerful cosmic signal detected on Earth could be linked to the explosive end of a tiny black hole from the early universe. That signal now stands as ...

Computer simulations suggest NASA’s Habitable Worlds Observatory could detect Earth-like exomoons around gas giant exoplanets through reflected starlight and lunar eclipses.

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has ...

This video shows the habitable zone around the star HD 20794 (in green) and the trajectory of the three planets in the system. Thirty years after the discovery of the first exoplanet, we detected more ...

The earth and the heavens are connected to each other. The light and the heat, the blessings and the mercy in form of rain for instance, come down from the skies. According to the consensus of ...