Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say.

A team of astronomers has presented a theory suggesting that Earth and our entire galaxy, the Milky Way, may be located ...

Before humans reach Mars, NASA wants to test its long-duration spaceflight capabilities by sending a crewed mission to a near-Earth asteroid. Using SpaceX’s Starship and Falcon Heavy, three astronauts ...

In the early 1990s, eight people tried to survive in a hermetically sealed glass structure filled with miniature forests, ...

In the middle of the Arizona desert stands a surreal, glass-enclosed world. A sealed replica of Earth's ecosystems that was once dismissed as an eccentric dream. Today, it is one of the most ambitious ...

Two Australian scientists argue in a new paper that within the Earth’s core, based on measurements of waves reverberating along the Earth’s diameter, is an innermost inner core, about 800 ...

Two buried ‘supercontinents’ hiding inside Earth could be much older than previously thought By Mindy Weisberger , CNN 7 minute read ...

From inside a black hole universe, Earthlings "would have no way of knowing there was another parent universe in existence," Khanna said. We'd be oblivious to it. So finding our universal ...

The Earth's layers (main) and the sun (inset). The sun's influence may reach deeper into the Earth than we thought. ISTOCK / GETTY IMAGES PLUS ...

Mysterious 'donut' structure is discovered hidden inside Earth's core - and it could unlock the secrets of our planet's protective magnetic field ...

Like most of us, Earth has a lot going on under the surface — even in what may have once seemed to be its most unassuming layer. The mantle, a zone between our planet’s thin crust and the ...

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could transform our understanding of plate tectonics.