MRO Shows That Recurring Martian Streaks Are Flowing Sand, Not Water
Seasonal dark streaks on Mars that previously were described as possible signs of flowing water have steep slopes that are better matched to dry flow…
Seasonal dark streaks on Mars that previously were described as possible signs of flowing water have steep slopes that are better matched to dry flow…
This image is from Cassini spacecraft’s final observation of Saturn’s icy moon Rhea (949 miles or 1,527 kilometers across) on May 2, 2017. The spacecraft…
A new study uses a combination of glacial morphology and remote sensing measurement to explore the role of ice in shaping Martian landslides. How good…
Astronomers reveal that asteroid ‘Oumuamua was traveling through interstellar space for millions of years before its chance encounter with our star system. For the first…
The vault-like, 40-foot (12-feet) diameter, 40-ton door of Chamber A at NASA’s Johnson Space Center in Houston was unsealed on November 18, signaling the end…
This Hubble image reveals the Cosmic Snake, a distant galaxy peppered with clumpy regions of intense star formation that appear warped by the effect of…
NASA’s Juno Spacecraft captured this color-enhanced image of a massive, raging storm in Jupiter’s northern hemisphere during its ninth close flyby of the gas giant…
When our Sun erupts with giant explosions — such as bursts of radiation called solar flares — we know they can affect space throughout the…
The next generation of the Sloan Digital Sky Survey (SDSS-V), directed by Juna Kollmeier of the Carnegie Institution for Science, will move forward with mapping…
Spitzer reveals that super-Earth 55 Cancri e likely has an atmosphere whose ingredients could be similar to those of Earth’s atmosphere, but thicker. Twice as…
Can a close look at the universe give us solutions to problems too difficult even for a planet-sized computer to solve? In this video,The Computational…
Observations from NASA’s New Horizons Spacecraft show that Pluto is much colder than predicted, suggesting that atmospheric haze works as a novel cooling mechanism. The…
Using ESO’s unique planet-hunting HARPS instrument, a team of astronomers has discovered a temperate Earth-sized planet only 11 light-years from the Solar System. The new…
Using NASA’s Van Allen Probes and FIREBIRD II CubeSat, researchers reveal that a common plasma wave in space is likely responsible for the impulsive loss…
A new robotic camera with the ability to capture hundreds of thousands of stars and galaxies in a single shot has taken its first image…
“By expanding our pulsar timing array over the next 10 years or so, there is a high likelihood of detecting gravitational waves from at least…
An international team of astronomers has found the first observational evidence for a contracting white dwarf. Constant high spin-up rate of a star of this…
Astronomers provide new insights into the stellar explosions that formed most of these elements in the Perseus galaxy cluster. Before its brief mission ended unexpectedly…