When asteroids travel too close to white dwarfs, the dense remnants of stars that have exhausted their nuclear fuel, powerful ...

TUCSON, Ariz. — Planetary Science Institute Senior Scientist and Senior Education and Communications Specialist JA Grier (ee/em/eir) has advanced to the position of chair of the American Astronomical ...

Impacts can carve out large craters because the mass and velocity of the impactor work together to shatter the landscape in much the same way as the mass and ...

The Marius Hills Pit (MHP) on the surface of the Moon. MHP will be studied by PSI-led GIMLI, through the NASA PRISM program, to investigate a possible lava tube beneath the surface. Credit: ...

Sept. 22, 2026, TUCSON, Ariz. — Conditions on the early Earth may have become stable enough to sustain the chemistry associated with the origins of life around 4.33 billion years ago, according to new ...

This post is based on content originally created by Gregg Herres and William K Hartmann. We are bringing it to you today, as we celebrate the Moon with International Observe the Moon Night, and as we ...

When Henry Hsieh started graduate school, he was interested in comets for a fairly simple reason: they seemed exciting. Unlike distant objects that could appear as little more than points of light, ...

NASA’s Nancy Grace Roman Space Telescope, scheduled to launch August 30th, is designed to tackle some of the biggest questions in astrophysics, from the nature of dark energy to the search for worlds ...

Pluto is on an icy march away from the Sun. In the year 2114, it will turn back, but until then, its elliptical orbit will carry it to colder and darker parts of the outer solar system. This is ...

This image shows Jupiter (dimmed by a neutral density filter), and Jupiter’s surrounding torus of material. You will also see Jupiter’s Galilean Moons dancing through the field as the orbit. Rj Is the ...

Long period comet C/2006 P1 (McNaught) over the Pacific ocean, as imaged from Paranal Observatory in 2007. Credit: ESO/Sebastian Deiries The Gaia mission has allowed researchers to understand the ...

The Perseverance rover on Mars inspects a rock dubbed Cheyava Falls with the Scanning Habitable Environments with Raman & Luminescence for Organics & Chemicals (SHERLOC) instrument on its robotic arm.