This isotope is found at a ratio of about one per 2,500 helium-4 ions, the latter being the common version of helium.

He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.

It’s known for its bright and fast-moving shooting stars resulting from Halley’s comet, the most famous comet of all, which ...

Now let’s assess how this transit of Sun in Taurus will affect you! This transit of the sun in Taurus will bring about ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet ... Combination of Cosmic ...

New observations have revealed that we were wrong about the length of a day on Uranus. According to the most precise ...

A report about exoplanet K2-18b published on April 17 states that astronomers are one step closer to answering whether humans ...

Water is essential to life, yet its true origin on Earth still stirs debate. Scientists have long wondered whether it came ...