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We’ve Found 3,989 Planets In Earth’s Neighborhood – And The Number Is Rising

We’ve Found 3,989 Planets In Earth’s Neighborhood – And The Number Is Rising

Michael Summers | Professor of Planetary Science and Astronomy   The universe is awash in planets. As of this writing, there are 3,989 exoplanets (planets outside of our solar system) that have been confirmed by astronomers. Several thousand more have been detected, but await confirmation. The online Exoplanet Encyclopedia keeps tabs of exoplanet discoveries, and it must […]

On Jan. 1, Humanity Meets Ultima Thule — A Planetary Building Block

On Jan. 1, Humanity Meets Ultima Thule — A Planetary Building Block

Michael Summers | Professor of Planetary Science and Astronomy   Those of us who study the ways that planets form and evolve often feel like we are investigating a crime scene. It’s not that planet formation is a crime! It’s simply that when we look at a planet now we are looking at the end […]

NASA Selects Proposals to Study Galaxies, Stars, Planets

NASA Selects Proposals to Study Galaxies, Stars, Planets

NASA is exploring our solar system and beyond to understand the workings of the universe, searching for water and life among the stars. Image credit: NASA › Larger view › Larger view”/> NASA has selected six astrophysics Explorers Program proposals for concept studies. The proposed missions would study gamma-ray and X-ray emissions from clusters of […]

Mars Canyons Study Adds Clues about Possible Water

Mars Canyons Study Adds Clues about Possible Water

Fast Facts: › Big canyons on Mars hold thousands of seasonal dark streaks examined in a new study of such features, ed which might be signs of liquid water. › The seasonal streaks at many locations are unlikely to result from underground water reaching the surface. › Salts drawing water vapor from the atmosphere might […]

NASA Rover Findings Point to a More Earth-like Martian Past

NASA Rover Findings Point to a More Earth-like Martian Past

Chemicals found in Martian rocks by NASA’s Curiosity Mars rover suggest the Red Planet once had more oxygen in its atmosphere than it does now. Researchers found high levels of manganese oxides by using a laser-firing instrument on the rover. This hint of more oxygen in Mars’ early atmosphere adds to other Curiosity findings — […]

Hiding in the Sunshine: The Search for Other Earths

Hiding in the Sunshine: The Search for Other Earths

We humans might not be the only ones to ponder our place in the universe. If intelligent aliens do roam the cosmos, viagra 100mg they too might ask a question that has gripped humans for centuries: Are we alone? These aliens might even have giant space telescopes dedicated to studying distant planets and searching for […]