Mystery of planet that shouldn't exist deepens
8 Ursae Minoris b orbits its star at such a close distance that it should have been engulfed entirely when the star expanded out into a red giant in the past.
Scientists may have solved mystery of Venus' lost water
Venus is thought to have once had a lot of water, though how the water escaped from its atmosphere has puzzled scientists.
Ancient Mars "surprisingly" like earth, NASA rover reveals
Manganese was found in an ancient Mars lakebed, suggesting that the environment could have been highly useful to lifeforms.
Scientists find "exciting" rare exoplanet in habitable zone of twin stars
"This planet is remarkable in many aspects," astrophysicist Nora Eisner said. "It's remarkable in its orbit, it's remarkable for being in the habitable zone."
Planet where it's sunny every day spotted 280 light-years away
The gas giant exoplanet WASP-43 b has a powerful 5,000 mph blowing around its equator, due to its close orbit with its star.
"Planet Nine" hypothesis gets new boost
"I think it is very unlikely that P9 does not exist. There are currently no other explanations for the effects that we see," researcher Michael Brown said.
Nightmarish "spider" phenomenon revealed in photos of Mars
The "spiders" are actually caused by frozen CO₂ melting into gas and bursting out from below the frozen surface of the Red Planet.
Oxford physicist wants your help on 'really exciting' interstellar visitors
"We've got a neighborhood that we live in, our neighbors occasionally come and visit," Professor Chris Lintott told Newsweek of objects floating in our galaxy.
Venus is leaking carbon and oxygen—and scientists don't know why
"This is the first time that positively charged carbon ions have been observed escaping from Venus' atmosphere," researcher Lina Hadid said.
Mystery of how Pluto got its heart finally "solved" by astrophysicists
The large heart-shaped region may have formed after a massive but slow-moving object collided with Pluto at a strange angle.
Astronomers reveal Earth's "sad" fate when the sun dies
When planets and moons orbit a white dwarf, the star's gravity may rip them apart into tiny pieces, which may happen in Earth's far future.
Mars has unexpected effect on Earth's deep oceans
"We were surprised to find these 2.4-million-year cycles in our deep-sea sedimentary data," researcher Adriana Dutkiewicz said.
Scientist stunned by disk in star's planet region: "I had never imagined"
"Our results show how the presence of water may influence the development of a planetary system," astronomer Stefano Facchini said.
Astronomers discover three hidden moons in our solar system
Two new moons of Neptune, and one new moon of Uranus, have been discovered, taking each planet's total moon count to 16 and 28, respectively.
Worlds at the far reaches of the solar system could support life
Eris and Makemake, two dwarf planets beyond Neptune, may be host to geothermal activity and therefore be more habitable than was once thought.
Cold water thrown on hope of life in ocean of Saturn's icy moon Titan
"We now need to be a little less optimistic when searching for extraterrestrial lifeforms within our own solar system," astrobiologist Catherine Neish said.
Look up this month as Mars and Venus appear to come together
Mars and Venus will appear to merge in the night sky, though unfortunately, this won't be visible from much of the U.S.
Mystery of Mars' "burps" could aid search for life
Understanding the patterns of these emissions may help answer the long-standing question: "Is there life on Mars?"
Frozen water discovered on Mars could fill Red Sea
"If this is ice, it would represent the most substantial low-latitude ice ever detected on Mars," scientist Gareth A. Morgan said.
Mysterious giant structure challenges our understanding of the universe
The "Big Ring on the Sky" is about 1.3 billion light-years in diameter, with a circumference of about four billion light-years.
Hellish world with 2,294 F "lava hemisphere" discovered by NASA
Exoplanet HD 63433 d orbits its star eight times closer than Mercury orbits the sun, with its year lasting only 4.2 days.
"Breathtaking" video of moon and Venus moving across sky stuns internet
Social media users were blown away by the "magical" lunar sighting captured in the latest viral clip.
Astronomers discover planet has been hiding 350,000-mile-long tail
The exoplanet is of a gigantic size, and orbits a perilously close distance to its star.
Mystery of "magic islands" on Saturn's moon Titan solved, scientists say
The ephemeral phenomena were first observed in 2014, and since then, researchers have been trying to work out what they are.
Life on Venus may be possible in acidic clouds, claim scientists
"This paper shows (by experiment) that amino acids (essential for life as we know it) can be stable in such conditions," expert David Rothery told Newsweek.
True face of Neptune revealed debunking image that "bedeviled for decades"
Neptune's colors in the original pictures were made much more blue than they really are, astronomer Patrick Irwin explains
Ghostly galaxy haunting astronomers reappears—'a real monster'
"It's potentially telling us there's a whole population of galaxies that have been hiding from us," said Jed McKinney of The University of Texas at Austin.
NASA finds clouds made of sand in 'fluffy' exoplanet's atmosphere
With the clouds also raining sand, it is lucky for us the atmosphere is "completely different from what we know here on Earth."
Scientists explain exactly how alien life may have begun
Comets may be able to supply faraway planets with organic materials, which contain the building blocks for potential extraterrestrial life.
Astronomers create planet-by-planet guide to our galaxy
Closer study of the exoplanets listed in the guide could one day lead astronomers to alien life.