How do you convince a flat-earther the world is round? After spending $20K, the results they got were definitely not what ...

Dubbed Teleios, the unusually symmetrical space object is puzzling astronomers with its near-perfect shape and mysterious ...

The goal was to witness firsthand a phenomenon that would demonstrate "100% that the planet is spherical" and attempt to ...

The universe is a chaotic place filled with exploding stars, material falling into black holes, and rogue planets wandering off on their own. All that chaos makes astronomers suspicious when they ...

But aerospace experts believe the landing capsule itself — a spherical object about 3 feet (1 meter ... the spacecraft from ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars. Captured using the rover's Mastcam instrument on January 17, 2025, the ...

The decision came after scientists established three criteria for what defines a planet: it must orbit the sun, be spherical in shape and have “cleared” its orbital path of other debris.

A look at the evidence for the Earth being round or spherical. Aristotle’s reasoning is explained. The evidence includes a ship’s hull disappearing first over the horizon, the stars ...

Hygiea, classified as an asteroid so far, might actually be a dwarf planet. The European Southern Observatory has been able to confirm that Hygiea has a spherical shape. But, Hygiea is missing a ...

A look at the evidence for the Earth being round or spherical. Aristotle’s reasoning is explained. The evidence includes a ship’s hull disappearing first over the horizon, the stars ...