Everything in the sky felt upside down and opposite, compared with what I was used to. A person who lives in the Southern Hemisphere might feel the same about visiting the Arctic or the North Pole.

Why is Earth never featured in your horoscope? Unlike the other planets, Earth isn’t “out there”—it’s where your experience ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Senator Sheldon Whitehouse delivered the first in what was to become one of the—if not the—longest-running series of speeches ...

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid ...

The author of the Southern Reach novels recommends immersive, entertaining books that grapple with the psychological reality ...

NASA"s beleaguered Mars Sample Return mission may get a reprieve from an unexpected source. Lockheed Martin has proposed a ...

Micrometeorites raining down from space may have provided the perfect surfaces for the first primitive cells to form on Earth ...

Upgraded ALMA images expose hidden rings and spirals around baby stars, indicating planets begin taking shape mere cosmic ...

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

At the time, the Earth's surface was hot enough to bake pizza, but rocks still solidified. Those in this area formed almost ...