Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

Mercury, Venus, and Mars sit within the same general neighborhood as Earth, yet each has followed a radically different path.

In March, Venus makes its dazzling comeback, climbing into view above western skies, marking the beginning of her journey as ...

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's composition, but also its origin ...

Heat shields are designed to protect the surface and cargo of a spacecraft as it enters an atmosphere. Aerospace engineers in The Grainger College of Engineering at the University of Illinois ...

The exosphere is the outermost layer of a planetary atmosphere and is dominated by atomic hydrogen. Within our solar system, knowledge of exospheric composition, energy, and density distributions can ...

For decades, the surface of Venus has remained an enigma, hidden beneath thick clouds and extreme conditions that make direct ...

It is 60 years since humanity first got up close and personal with another planet, with the impact of the Soviet Union's Venera 3.

Much like Earth, Venus has an ozone layer high in its atmosphere, according to new data received by the European Space Agency. The ozone was detected by instruments on the agency’s Venus Express ...

Developed together, the twin Mariner 1 and 2 spacecraft were based on the Ranger lunar probe and planned for a joint mission to our closest neighboring planet. The probes featured seven instruments ...

For decades, scientists have been baffled by two enormous structures buried deep inside Earth. These anomalies may retain geochemical signatures distinct from the surrounding mantle. Yet, their origin ...