Earth just got a new tag-along in space — a little asteroid named 2025 PN7. NASA confirmed this week that the rock, discovered by the University of Hawaii, is officially a “quasi-moon” — a rare type of celestial companion that travels almost exactly in sync with Earth.

Investors treated the company like it was a rare and precious commodity.

Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids and planets, including the young Earth, then a hot, molten sphere likely bubbling with oceans of lava.

The Earth is reflecting less light than it used to, especially the Northern Hemisphere. While climate change is to blame, the reverse is also true: the planet being darker — and absorbing light instead of reflecting it — is,

A new study has revealed how phosphorus, a nutrient essential for photosynthesis, surged into ancient oceans and started Earth's first major rise in atmospheric oxygen more than 2 billion years ago.

A rare encounter of two comets this week will have stargazers in awe after nearly a year of no easily seen comets.

“USA Rare Earth and other stocks in this sector are highly speculative,” Ponsi said. “Investors in this sector are seeking outsized gains, but the risks are also high. As always, traders should make risk management their top priority.”

China's exports of rare earth magnets fell in September, reigniting fears that the world's top supplier could wield its dominance over a component key for U.S. defence firms and makers of items from cars to smartphones as leverage in trade talks.

Shares in steel giant Cleveland-Cliffs rallied Monday morning after the company said it would explore a deeper push into rare earths.