NASA’s Perseverance rover is focusing its science instruments on rocks that lay on the floor of Jezero Crater, which is located on the western edge of...
Launched in September 1977, NASA’s Voyager 1 spacecraft flew by Jupiter in 1979 and then Saturn in late 1980. In August 2012, it crossed the heliopause...
Three images of Jupiter from the 8-m Frederick C. Gillett Gemini North telescope at the Gemini Observatory and the NASA/ESA Hubble Space Telescope show...
On May 10, 2021, NASA’s OSIRIS-REx spacecraft fired its main engines full throttle for seven minutes; this burn thrust the spacecraft away from the asteroid...
Volcanic activity on Mars peaked during the Noachian and Hesperian periods, between 3 and 4 billion years ago, with smaller eruptions in isolated locations...
NASA’s Perseverance rover used a microphone on its SuperCam laser instrument to listen as the Ingenuity helicopter flew for the fourth time on April...
Detailed measurements from the Grand Finale phase of NASA’s Cassini mission revealed distinctive features of Saturn’s magnetic field. These features...
On July 11, 2020, NASA’s Parker Solar Probe made its third flyby of Venus. During 7 min around the closest approach, one of the spacecraft’s scientific...
An international team of planetary researchers from the University of Arkansas and elsewhere has produced a high-resolution geologic map of the Schrödinger...
Astronomers using Earth-based radar observations have measured some of the fundamental properties of the planet Venus: the precise length of a day, the...
2018 LA, a 1.5-m-wide asteroid that disintegrated harmlessly over Botswana, Africa, just hours after its discovery on June 2, 2018, is only the second...
Reconstructing the emergence and weathering of Earth’s continental crust in the Archean eon is crucial for our understanding of early ocean chemistry,...
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...
NASA’s Ingenuity helicopter took off at 4:31 a.m. EDT (1:31 a.m. PDT), or 12:33 p.m. local Mars time, on April 25, 2021, rising 5 m (16 feet); then it...
On April 20, 2021, the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) instrument aboard NASA’s Perseverance rover converted some of carbon...
Lasting 51.9 seconds, Ingenuity’s experimental flight on April 22, 2021, added several new challenges to its first flight, including a higher maximum...
Mars had drier and wetter eras before drying up completely in the Hesperian period, about 3 billion years ago, according to an analysis of observational...
In a new paper published in the journal Earth and Planetary Science Letters, an international team of researchers presents the results from a long-term...