Jupiter was formerly twice its current size and had a much stronger magnetic field, study says
22
votes
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Evidence of controversial Planet 9 uncovered in sky surveys taken twenty-three years apart
36 votes -
NASA launches Europa Clipper mission to investigate namesake Jupiter's moon, a potentially habitable ocean world
31 votes -
NASA’s Europa Clipper mission looked doomed. Could engineers save it?
7 votes -
With new, sharper optics, Arizona telescope captures rare images of Jupiter’s moon Io
14 votes -
Doubts grow about the biosignature approach to alien-hunting
14 votes -
TRAPPIST-1 caught stripping atmosphere of possibly habitable exoplanet
12 votes -
New moons of Uranus and Neptune announced
48 votes -
Astronomers make rare exoplanet discovery, and a giant leap in detecting Earth-like bodies
15 votes -
James Webb Space Telescope captures high-resolution image of Uranus
56 votes -
A six-planet system in perfect synchrony has been found in the Milky Way
55 votes -
The strange clouds of alien worlds
6 votes -
A 1990 experiment to test whether we could discern life on Earth remotely
9 votes -
Earth is hiding another planet deep inside
24 votes -
What would happen if the Earth had rings?
4 votes -
Supervolcano eruption on Pluto hints at hidden ocean beneath the surface
21 votes -
James Webb Space Telescope makes 'JuMBO' discovery of planet-like objects in Orion
12 votes -
Planet K2-18 b has an ocean and atmosphere that could support life
24 votes -
We could see the glint off giant cities on alien worlds, suggests paper
11 votes -
Turns out, our solar system is the rarest planetary system out there
53 votes -
Planet that shouldn't exist found
13 votes -
Life in the cosmos: James Webb Space Telescope hints at lower number of habitable planets
36 votes -
‘My power’s really low’: NASA’s Insight Mars lander prepares to sign off from the Red Planet
5 votes -
One great article about every planet in the solar system
4 votes -
What if Earth got kicked out of the solar system? Rogue Earth
3 votes -
Volunteers wanted: NASA's Planet Patrol wants your help to find alien worlds
7 votes -
First ever image of a multi-planet system around a Sun-like star captured by ESO telescope
11 votes -
Earth-size planet in habitable zone found hidden in early NASA Kepler data
8 votes -
Direct multipixel imaging and spectroscopy of an exoplanet with a Solar Gravitational Lens Mission
3 votes -
New exoplanet search strategy claims first discovery
6 votes -
NASA's exoplanet-seeking satellite TESS has discovered its first Earth-size planet in its star’s habitable zone
7 votes -
ESA's exoplanet mission Cheops (Characterising Exoplanet Satellite) has successfully launched
6 votes -
Hubble reveals latest portrait of Saturn
7 votes -
Water found in habitable super-Earth's atmosphere for first time
17 votes -
Is there life on Earth?
11 votes -
Moons around 'rogue planets' could sustain life — no solar system required
15 votes -
Astronomers have found an exoplanet around the same star that Vulcan orbits in Star Trek canon
12 votes -
TESS is doing better than expected in hunt for exoplanets
13 votes -
Bizarre “rogue planet” found lurking in Earth’s galactic neighborhood
9 votes -
Radar evidence of subglacial liquid water on Mars
21 votes -
A breakthrough way to see distant planets
4 votes -
How NASA’s mission to Pluto was nearly lost
6 votes -
First confirmed image of a newborn planet revealed
12 votes -
Perspective from earth if the various planets replaced the position of the moon. From r/space.
11 votes