The Radcliffe Wave is a massive, undulating structure filled with dense clouds of gas and dust, stretching across several ...

Saturn, too tiny to make out, lies at the center of a swarm of 274 moons shown her at their correct relative distances from the planet. The blue and red arcs represent the moons' orbits.

Planets beyond our solar system are called exoplanets. Those orbiting Barnard’s star are among the smallest of the more than 5,800 exoplanets discovered since the 1990s as astronomers refine ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s history. By Jonathan O’Callaghan Jonathan O’Callaghan reported on an ...

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three separate bodies orbiting one another in a complex triad. This rare ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet ... of the solar system may ...

She isn’t switching off the lights more or taking shorter showers. Solar panels are making the difference. “Long story short, it’s really been a blessing,” the single mother of two said ...

"These objects really could be anywhere in the solar system at any given time." One million alien visitors from another star system could already be lurking in the solar system. We aren't talking ...

In other words, if scientists can show that Earth's core contains a lot of helium-3, it will strongly suggest that the planet formed quickly, settling a long-standing debate about the birth of the ...

The reason why they happen is simple: the planets of the solar system all orbit the sun in roughly the same plane, called the ecliptic plane. So as they move in their orbits, every once in a while ...

What If The Birth of a New Planet in Our Solar System Posted: March 2, 2025 | Last updated: March 26, 2025 "An epic exploration of possibilities. What If is a Webby Award-winning science web ...