Space science
What Are Exoplanets?
Exoplanets are planets beyond our solar system. They range from small rocky worlds to giant planets and can orbit stars very different from the Sun.
Planetary
Browse ScienceInfo articles and explainers related to Planetary.
Topic archive
Articles about Planetary
230 published items.
Space science
Strange object the size of Earth appears on Jupiter
Using the Hubble Space Telescope, planetary scientists observed dark oval-shaped objects appearing on Jupiter.
Space science
The 'deadly' truth about the object that has baffled science for 18 years
PM 1-322 - a cosmic object that looks like a purple-blue ghostly eye staring straight at Earth - was discovered in 2005 but scientists have only now learned what it is.
Space science
Discover the secrets that protect Earth from cosmic chaos
A new analysis of chaos in the solar system has revealed how planetary collisions were avoided for billions of years.
Space science
Superstructure in space 'shades' Earth
International experts have been researching a giant sunshade placed in space to help combat global climate change.
Space science
Mystery of radio signals emitted from the center of the Milky Way
In the boundless universe, we have detected a mysterious radio signal coming from the center of the Milky Way!
Space science
Unexpected discovery of the largest storm lasting 190 years in the Solar System
New observations of Jupiter's Great Red Spot captured by the Hubble Telescope have revealed the 190-year-old storm wobbling like jelly and changing shape like a squashed…
Science Events
NASA spacecraft successfully crashed into asteroid
NASA's DART spacecraft crashes into harmless Dimorphos asteroid in world's first planetary defense test.
Space science
Decoding strange mysteries on Uranus and Neptune
One of the strangest things about Uranus and Neptune is their magnetic fields.
Space science
In early June, watch 6 planets 'march' in line in the sky
During the first week of June, stargazers have the opportunity to witness the rare event of six planets aligning in the sky.
Space science
Hell on Venus is a valuable lesson for people on Earth
Do you really understand the future of Earth? Our planetary neighbor gives us a glimpse of what could happen to Earth if climate change goes unchecked.
Archeology
Finding the 'cosmic death zone' where Earth life may have been born
An experiment targeting the chaotic and dead regions of the universe could help explain the origin of life on Earth.
Space science
When do all eight planets in the Solar System align?
Although they sometimes appear close together and relatively straight when viewed from Earth, the planets are actually very far apart in space.
Antibiotic resistance
Air pollution increases the risk of antibiotic resistance
According to a study published in the journal Lancet Planetary Health, air pollution can make antibiotic resistance worse.
Space science
The alien object that fell on France could turn the world's history upside down
A famous alien object could disrupt current planetary formation theories, rewriting Earth's early history.