Mars is cold today but once had water lakes and flowing rivers. The early warm climate cannot be explained by basic models of the early Mars greenhouse...
Using the Atmosphere-Space Interactions Monitor (ASIM) observatory on the International Space Station (ISS), researchers have observed five intense blue...
A transiting gas giant called WASP-62b has a cloud- and haze-free atmosphere, according to new research.
An artist’s illustration of the hot-Jupiter...
The Visual Monitoring Camera (VMC) on ESA’s Mars Express spacecraft has captured new images of a giant cloud over the 20-km (12.4-mile) high Arsia Mons...
NASA’s Juno orbiter captured a beautiful image during its 25th close flyby of Jupiter in February 2020.
This image of Jupiter was taken on February 17,...
Multiwavelength observations from the NASA/ESA Hubble Space Telescope and Gemini Observatory combined with close-up views from NASA’s Juno spacecraft...
The High Resolution Stereo Camera (HRSC) onboard ESA’s Mars Express spacecraft has captured a new image of the icy cap at the Martian north pole, complete...
Clouds hide the true size and nature of Jupiter’s most distinctive feature, the Great Red Spot, according to a study led by University of California,...
The temperature on the nightsides of short-period gas giants (hot Jupiters) is surprisingly uniform, suggesting the dark sides of these exoplanets have...
Planetary scientists have long observed water-ice clouds in the Martian middle atmosphere (18.6-37.2 miles, or 30-60 km, above the surface). Now, a University...
Since its launch into orbit in 1990, the NASA/ESA Hubble Space Telescope has helped astronomers to amass an album of outer planet images. Yearly monitoring...
By analyzing several years of weather radar observations in Finland, a research team led by University of Helsinki scientists has discovered that planes...
The CLOUD experiment at CERN has been designed to study the effect of cosmic rays on the formation of atmospheric aerosols under controlled laboratory...
