Astronomy
May 4, 2023
Hubble follows shadow play around planet-forming disk
The young star TW Hydrae is playing "shadow puppets" with scientists observing it with NASA's Hubble Space Telescope.
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Astronomy
Apr 28, 2023
Second ring found around dwarf planet Quaoar
A large international team of astronomers has discovered that the dwarf planet Quaoar is circled by a second ring. In their study, accepted for publication in the journal Astronomy & Astrophysics, the group discovered the ...
Space Exploration
Apr 17, 2023
NASA plans could threaten the future of New Horizons
The New Horizons mission currently flying through the Kuiper Belt could be facing an unexpected change of plans. NASA's Science Mission Directorate is soliciting input on turning the spacecraft into a heliospheric science ...
Environment
Apr 10, 2023
Are we really in a sixth mass extinction?
As a philosopher of science, Alisa Bokulich grapples with weighty questions like, how can scientific models represent a system as complex as the Earth? How can we reconstruct Earth's 4.5-billion-year history using only the ...
Astronomy
Mar 28, 2023
Redness of Neptunian asteroids sheds light on early solar system
Asteroids sharing their orbits with the planet Neptune have been observed to exist in a broad spectrum of red color, implying the existence of two populations of asteroids in the region, according to a new study by an international ...
Astronomy
Mar 22, 2023
James Webb spots swirling, gritty clouds on remote planet
Researchers observing with NASA's James Webb Space Telescope have pinpointed silicate cloud features in a distant planet's atmosphere. The atmosphere is constantly rising, mixing, and moving during its 22-hour day, bringing ...
Planetary Sciences
Mar 15, 2023
Pluto team updates science from the solar system's edge
Nearly eight years after its historic Pluto flyby, NASA's New Horizons probe is getting ready for another round of observations made from the icy edge of the solar system—and this time, its field of view will range from Uranus ...
Astronomy
Feb 22, 2023
In search of Planet 9: An unconventional detection approach
There is a mystery in our solar system surrounding the orbits of Kuiper belt objects. More than one trillion icy objects smaller than our moon orbit the sun in a donut-shaped ring beyond Neptune. Oddly, a cluster of outer ...
Astronomy
Feb 8, 2023
A new ring system discovered in our solar system
Scientists have discovered a new ring system around a dwarf planet on the edge of the solar system. The ring system orbits much further out than is typical for other ring systems, calling into question current theories of ...
Astronomy
Feb 7, 2023
Models explain canyons on Pluto's large moon Charon
In 2015, when NASA's New Horizons spacecraft encountered the Pluto-Charon system, the Southwest Research Institute-led science team discovered interesting, geologically active objects instead of the inert icy orbs previously ...
