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Extraterrestrial Life422 articles archived since 1845

Jupiter’s Moons Ascending

Jupiter's Moons Ascending [Images]

Some natural phenomena need few words to explain why they’re fascinating. Eclipses, transits, and phases in astronomy tend to fall into that category.

February 6, 2015 — Caleb A. Scharf
Remembering NASA Challenger and #STEMDiversity

Remembering NASA Challenger and #STEMDiversity

The crew of STS-51-L: Front row from left, Mike Smith, Dick Scobee, Ron McNair. Back row from left, Ellison Onizuka, Christa McAuliffe, Greg Jarvis, Judith Resnik.

January 28, 2015 — DNLee
Planet Hunters Bet Big on a Small Telescope to See Alien Earths

Planet Hunters Bet Big on a Small Telescope to See Alien Earths

In 1990, NASA's Voyager 1 spacecraft briefly looked back from its journey out of the solar system, capturing a view of the faraway Earth. Carl Sagan called it the "pale blue dot." From more than 6 billion kilometers away, beyond the orbit of Pluto, it seemed remarkable that our planet was even visible...

January 27, 2015 — Lee Billings

The Top Ten Space and Physics Stories of 2014

From humanity’s first, flawed foray to the surface of a comet to the celebrated discovery of (and less celebrated skepticism about) primordial gravitational waves, 2014 has brought some historic successes and failures in space science and physics...

December 22, 2014 — Lee Billings
Physics Week in Review: December 20, 2014

Physics Week in Review: December 20, 2014

The Christmas holiday approacheth, and for those of a Maker bent, here’s how to Build A Sled For Slinging Snowballs — Winter Warfare Will Never Be the Same.  If you’re more the craft-y sort, now you can deck the halls with Nobel physicists with this physics twist on the craft of cutting paper snowflakes...

December 20, 2014 — Jennifer Ouellette

Best Physics Videos of 2014

It’s that time of year, when we all look back over 2014 and reflect on all the cool science stuff that happened. Today, Jen-Luc Piquant has compiled her Top 20 physics-themed videos of 2014 — with the caveat that not all of them were actually created in 2014...

December 16, 2014 — Jennifer Ouellette

Humans on Mars Soonish Says NASA Bigwig

John Grunsfeld, the former astronaut who now heads NASA’s Science Mission Directorate, thinks that traveling light could get people to Mars by the 2040s

 

December 10, 2014 — Clara Moskowitz
Big Mirrors, High Hopes: Extremely Large Telescope Is A Go

Big Mirrors, High Hopes: Extremely Large Telescope Is A Go

In astronomy, bigger is almost always better. The size of a telescope’s aperture (or primary optical element) not only determines how many pesky little photons it can capture, but also the ultimate resolution of the image that can be formed...

December 9, 2014 — Caleb A. Scharf

Alien Yet Familiar: Following Curiosity Across Mars

822 Martian days after landing, NASA’s Curiosity rover, carrying the Mars Science Laboratory, continues on its extraordinary journey across landscapes that are both utterly alien, and remarkably familiar...

November 28, 2014 — Caleb A. Scharf

Mars' First Close-up

Today marks the 50th anniversary of the launch of NASA’s Mariner IV spacecraft (November 28, 1964). In total, the mission gave us 21 complete images of Mars, including this, our first close view of the planet—courtesy of data transmitted by the interplanetary probe and earth-bound scientists wielding pastels (below)...

November 28, 2014 — Jen Christiansen
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