Scientists discover the reason why Mars has no liquid water on its surface today
Radio signals from distant stars suggest hidden planets
Simulations suggest an Earth or Mars size planet may be lurking out beyond Neptune
Hubble shows winds in Jupiter's great red spot are speeding up
Study finds that rogue planets could sustain life
New cereal box-sized satellite to explore alien planets
Research finds that inner solar system planets were formed through violent collisions
NASA confirms thousands of massive, ancient volcanic eruptions on Mars
Largest virtual universe free for anyone to explore
Ground-based observatories could use starshades to see distant planets
Cold planets exist throughout the galaxy, even in the galactic bulge
New mathematical innovation helps identify distant planet atmospheres
What young stars teach us about the birth of our solar system
Alien Life Could Exist on 'Hycean' Exoplanets, Study Finds
NASA's Juno celebrates 10 years with new infrared view of moon Ganymede
A long day for microbes, and the rise of oxygen on Earth
The universe likely has trillions of planets made primarily of diamonds, scientists confirm
Rocks on Earth hint at the possibility of more hidden water on Mars
York University planetary scientist puts Mars lake theory on ice with new study
For the first time, evidence found for water on Jupiter's Moon Ganymede