Video: We asked a NASA scientist – did Mars ever look like Earth?
Did Mars ever look like Earth? We think it did!
Planetary Sciences
Oct 15, 2021
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209
Planetary Sciences news
HAARP artificial airglow may be widely visible in Alaska
Alaskans and visitors may be able to see an artificial airglow in the sky created by the High-frequency Active Auroral Research Program during a four-day research campaign that starts Saturday.
Planetary Sciences
Nov 3, 2023
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355
Webb Telescope reveals asteroid collision in neighboring star system
Astronomers have captured what appears to be a snapshot of a massive collision of giant asteroids in Beta Pictoris, a neighboring star system known for its early age and tumultuous planet-forming activity.
Astronomy
Jun 10, 2024
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156
Surprising number of exoplanets could host life
Earth. A new study shows other stars could have as many as seven Earth-like planets in the absence of a gas giant like Jupiter.
Astronomy
Jul 31, 2020
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2218
NASA's mineral dust detector starts gathering data
After being installed on the exterior of the International Space Station, NASA's Earth Surface Mineral Dust Source Investigation (EMIT) mission has provided its first view of Earth. The milestone, called "first light," took ...
Planetary Sciences
Jul 30, 2022
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450
Researchers propose new explanation for Moon's half-century magnetic mystery
Rocks returned to Earth during NASA's Apollo program from 1968 to 1972 have provided volumes of information about the Moon's history, but they've also been the source of an enduring mystery. Analysis of the rocks revealed ...
Astronomy
Jan 13, 2022
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1559
NASA's New Horizons reaches a rare space milestone
In the weeks following its launch in early 2006, when NASA's New Horizons was still close to home, it took just minutes to transmit a command to the spacecraft, and hear back that the onboard computer received and was ready ...
Space Exploration
Apr 19, 2021
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13768
Scientists pinpoint dino-killing asteroid's origin: past Jupiter
An intense debate surrounding the cosmic rock that killed the dinosaurs has stirred scientists for decades, but a new study has revealed some important—and far-out—data about the impactor's origin story.
Planetary Sciences
Aug 16, 2024
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630
Venus: Proof of active volcanoes—at last
Venus is almost the same size, mass and density as Earth. So it should be generating heat in its interior (by the decay of radioactive elements) at much the same rate as the Earth does. On Earth, one of the main ways in which ...
Planetary Sciences
Mar 19, 2023
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51
Star Trek's planet Vulcan found to not be a planet after all
A large international team of space scientists has discovered that the detection of an exoplanet orbiting the star 40 Eridani was made in error. The group has published a paper on the arXiv pre-print server describing their ...
