The extent of the Earth’s boundaries and the beginning of space revealed that no astronauts in the history of spaceflight had ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...

Did ancient sunscreen and sewing needles save humanity? In a nutshell 41,000 years ago, Earth’s magnetic field weakened to ...

It will lead to more purple, brown, or green hues in coastal or stratified areas, with less deep blue color in water as ...

The researchers reached the conclusion by studying 7,982 meteoroid trajectories and 540 potential meteorite falls.

To study Mars’s chemical and mineral makeup, the Curiosity rover drills one to 1.5 inches down into the subsurface, then ...

Much of what scientists know about the early solar system comes from meteorites—ancient rocks that travel through space and survive a fiery plunge through Earth's atmosphere. Among meteorites, one ...

A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...

A powerful geomagnetic storm aimed at Earth could disrupt technology and bring a stunning celestial show as far south as ...

H ere's a sentence which, while technically correct, will make you sound like the most hardened of conspiracy theorists: no ...