Approximately 4.6 billion years ago, our solar system formed from a cloud of gas and dust called a solar nebula that swirled around, eventually collapsing under its own gravity into a rapidly rotating ...

Meteorites delivered volatiles to Mars much earlier than scientists thought. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new analysis of a ...

A team of researchers recently reported that a little over 4 pounds of helium-3 leak out of Earth every year, an indication that our planet formed in a solar nebula. Helium-3 is a very ancient isotope ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A rare form of helium may have flooded Earth’s core during the ...

A meteorite that landed on Earth more than 200 years ago is upending our ideas of how Mars formed. A new analysis of it reveals that the interior chemical make-up of the Red Planet largely came from ...

Hard and fast details about our solar system’s beginnings are extraordinarily difficult to come by. But a research team using new measurements of pristine magnetic fields within two extremely rare ...

March 28 (UPI) --A rare isotope of helium gas is leaking from the Earth's core, which suggests the planet formed inside a solar nebula, according to a study published Monday in AGU Geochemistry, ...

Among modern astronomers, an old theory of the origin of the solar system was back in fashion. German Philosopher Immanuel Kant had speculated in 1755 that the sun and its planets were formed by ...

THE object of the present treatise is to establish in a modified form the nebular theory of Laplace, by the introduction of some original views which have long occupied the attention of the author.

From glowing gases to hidden cosmic structures, the question of whether we’re in a nebula challenges what we think we know about our place in the galaxy. Bruce Willis Family Makes Difficult Decision ...