Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars.

This tiny little semicircular arc lies somewhere in-between the bright Arcturus star and the constellation of Hercules ... with most likely revelations regarding origins of the solar system itself.

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Despite common assumptions, the disk of our Solar System is warped, and the planets travel around the Sun in slightly eccentric (or oblong) orbits. Scientists now think that a mysterious object ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar ... that a visiting star-size object ...

Arcturus Therapeutics Holdings Inc. stock is down 46% since Sept. 2023 coverage; mRNA sector faces headwinds with public skepticism (35% comfortable with technology) and challenges translating ...

Traveling from one star to another is currently impossible ... which is nearly the edge of the Solar System. It’s possible that the craft could even be pushed up to an incredible 1,000 AU ...