Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

Researchers refined the trajectory of interstellar comet 3I/ATLAS using ExoMars Trace Gas Orbiter data, improving predictions and enabling precise monitoring for scientific study and planetary defense ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

Researchers have documented 55 instances of "mini lightning" over two Martian years by eavesdropping on the whirling wind ...

That’s a big reason why some consumers are looking for less-wasteful alternatives ranging from farmers markets to delivery ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...

Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size.

Silverman, Leah. "Astronomers Just Created The Most Detailed 3D-Map Of Our Galaxy Yet." AllThatsInteresting.com, November 14, 2025, https://allthatsinteresting.com/milky-way-3d-map. Accessed November ...

Scientists are in the midst of observing the exoplanet TRAPPIST-1 e with NASA’s James Webb Space Telescope. Careful analysis of the results so far presents several potential scenarios for what the ...

Planetary size was determined pre-spacecraft by measuring the planet's angular diameter and its distance from Earth (in AU, later converted to terrestrial units after the AU was accurately measured ...