How to see the planets align: We show when and where to view
Stargazers will be treated to a dazzling six-planet "alignment" this January.
An ‘alien visitor’ might have warped our solar system, study claims
A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.
Scientists Think An Ancient Interloper Once Disrupted Our Entire Solar System
When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...
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An interstellar visitor may have changed the course of 4 solar system planets, study suggests
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
Interstellar Visitor May Have Scrambled Our Solar System
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 ...
How to see an extraordinary spectacle involving every planet in the solar system
All of our solar system's planets are lining up to take part in a rare and awesome event in the night sky - this is when and ...
New planet in the solar system? This is the new discovery by scientists that could change the view of our planetary neighborhood
A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...
Extreme supersonic winds measured on a planet outside our solar system
Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...
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Tonight You Can Marvel at Six Planets in a Spectacular Planet Parade
The six planets were visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, Venus, ...