Author Archives: Caleb A. Scharf

For an Almost Daily Eclipse, Go to Mars

Earth may get great solar eclipses, but they don’t happen all the time

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Are Tardigrades Really That Tough?

Astrophysical events may have a hard time sterilizing Earth-analogue worlds, based on the example of water bears. But is it this simple?

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Chasing Consciousness, and the Information Revolution

A new institute gains steam, together with a new set of ideas on matter, life and information

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Astrobiology Roundup: Planet Nine, Planet 8.1 and Sweaty Skin

Planets in the outer solar system and terrestrial microbes in unexpected places

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Complex Life: Wimpy or Tough?

Complex life may be less resilient than microbial life by some measures, but it’s not necessarily cosmically delicate

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Fun with Gravitational Waves

Even the Earth–sun system radiates gravitational waves, but just how powerful are they?

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Jupiter Now Has 69 Moons

Our local gas giant has two more natural satellites added to its roster

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Take an HD Ride around Jupiter [Video]

An exquisite time-lapse of our local, surprisingly complex gas giant

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Alone on Mars for 150 Months

The Martian has already happened, just not with a human

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Exocomets Light Up 100 Billion Kilometers of Space

A remarkable new image reveals the teething pains of an entire planetary system

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

The Crazy Scale of Human Carbon Emission

Want some perspective on how much carbon dioxide human activity produces? Here it is

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

New Evidence for Hydrothermal Havens in Enceladus

Spurting out molecular hydrogen and water, the icy moon Enceladus looks even tastier in the search for life

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

The Real Expanse

Human colonization of space would be terrifyingly hard, and that’s the best thing about it

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Astrobiology Roundup: Dust Traps, Juno, Mars Lava and more

What’s happening in the universe?

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Churchill the Astrobiologist?

Newly released writings by Winston Churchill on life in the universe reinforce how keenly scientific his thinking was

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Ancient Meteorites Were Different

Types of rocky meteorites rare today were abundant 466 million years ago

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Despair Not This Earth

Rational thinking, creativity and wonder are powerful tools in the universe

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Vast Shadow Sweeps Across Young Exoplanetary System

18 years of Hubble Telescope data on a star system reveals a surprising phenomenon spanning tens of billions of miles

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

NASA’s 50 Years of Mars Exploration [Video]

Humans have been visiting and exploring Mars for more than half a century, and NASA has released a video celebrating the agency’s remarkable contributions

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Another 1/230,000,000th of a Galactic Orbit

As the solar year ends, let’s try to stop being so parochial

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Earthrise Renewed

Forty-eight years ago human eyes first witnessed Earth rising over the Moon, today we can all see it in high-definition

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Fresh Ideas for Chasing Consciousness

Understanding life in the cosmos includes tackling the problem of consciousness—a new institute called YHouse intends to help

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Cassini’s Grand Finale, Part I: Ring-Grazing and Turbulence

Long-lived space mission starts a bold last-dance with gas giant Saturn

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Cassini’s Grand Finale, Part I: Ring-Grazing and Turbulence

Long-lived space mission starts a bold last-dance with gas giant Saturn

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Fermi’s Basement Paradox

Where in the world did Fermi go?

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Spawning Stars

An extraordinary new image shows a protostellar disk fragmenting into multiple stars

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Meteoritics on an Alien World (with Lasers)

NASA’s Curiosity rover finds a foreign object on Mars, and engages in some science awesomeness

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Fire Burn, and Cauldron Bubble

As All Hallow’s Eve approaches, take a look at what’s brewing in the cosmic night

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Fire Burn, and Cauldron Bubble

As All Hallow’s Eve approaches, take a look at what’s brewing in the cosmic night

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |

Ultraviolet Mars [Video]

NASA’s MAVEN mission returns stunning ultraviolet images of the Red Planet

– Read more on ScientificAmerican.com

Continue reading

Posted in STEM News |