Researchers report the discovery of a Saturn-sized exoplanet orbiting two M-dwarf stars, which are smaller and cooler than ...

A newly found giant planet in the WISPIT 2 system gives scientists a rare chance to study how planets form in real time.

Earth’s gravity has a lot to do with what people think is up and what is down. Things fall down toward the ground, but that ...

There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

A nearby galaxy is behaving strangely—and now scientists know why. The Small Magellanic Cloud’s stars move in chaotic ...

Provided they host thick, hydrogen-dominated atmospheres, moons orbiting free-floating exoplanets could retain much of the ...

The scene around WISPIT 2 is messy in a way that matters. Rings of dust circle the young star, gaps cut through the disc, and ...

Gwynne Shotwell oversees aerospace giant SpaceX, which includes Starlink and now xAI Story Jeffrey Kluger / Starbase, Texas ...

The Sun is not nailed to the center of the solar system. It moves, wobbles, and traces a small loop through space, tugged by the combined gravity of every planet in orbit around it. Yet the whole ...

The traditional Habitable Zone (sometimes called the Goldilocks zone) is kind of like a campfire. If you sit too close, you ...

Jeremiah Horrocks also proved that gravity's actions were not limited to the Earth, Sun and Moon ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University ...