A comet that was born in another solar system and could be billions of years old is hurdling through Earth’s solar system — a ...

Abraham Loeb has theorized that the recently discovered interstellar object 3I/ATLAS could be alien technology, but ASU’s ...

This paper provides concrete evidence that the expanding and accelerating Universe mathematically expressed by dark energy is ...

On July 1, 2025, astronomers caught sight of a mysterious object racing through the solar system. This object, now named ...

An ‘interstellar visitor’ spotted drifting into our solar system weeks ago is either a massive dirty snowball or an alien ...

SpaceX rocket to propel 2 NASA satellites into orbit: What to know about TRACERS mission The probes for NASA's TRACERS mission will observe how energy from the sun's atmosphere flows through Earth ...

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding towards us at 130,000mph. 3I/Atlas was spotted on July 1 by the NASA-funded ATLAS ...

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond during the long days of summer.

Lunar distance is an always-changing thing, with the moon tracing an elliptical orbit around the Earth. At its closest approach—or perigee—the moon is only 224,000 miles distant.

Instead, both fluctuate, swayed by atmospheric drag, tidal forces, changes within Earth's core, and the planet's elliptical orbit around the Sun.

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it's not from ...

CAPE CANAVERAL, Fla. (AP) — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this ...