The Keeble Observatory at Randolph-Macon College will resume public viewing after the holidays when students return to campus ...

Objects within the solar system, such as the Moon and planets ... calendar documenting the regular changes in brightness of Algol in Perseus; other early known variables include Betelgeuse ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Some remote regions will experience a partial solar eclipse on Sunday, Sept. 21, 2025. The best places to see it will be in ...

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

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 ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

Astronomers measure star brightness using the magnitude scale. All the really bright stars we see are magnitude 1 or brighter ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...