The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long ...

Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, Mercury will join the fun, with all seven of our planetary neighbors visible ...

In research highlighted in a new paper, published today in The Astrophysical Journal, Scientia Senior Lecturer Ben Montet and PhD candidate Brendan McKee analysed changes in the timing of a known ...

Earth’s shadow will block most of the light that illuminates the lunar surface, creating what is known as a blood moon.

Under the nighttime California sky, NASA’s Electrojet Zeeman Imaging Explorer (EZIE) launched aboard a SpaceX Falcon 9 rocket ...

With an orbit of 647 days, HD 20794 d is similar to Mars in our solar system. However, its orbit around the star is highly ...

Light gases like helium hung around in the gas-and-dust nebula that formed the solar system for only a few million years. "It's very much debated how long it took the Earth to form," Olson said.

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

Primordial helium from the beginning of the solar system may be stuck ... helium could stay locked in Earth's solid inner core for a long time, Olson told Live Science, but he cautioned that ...

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