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Photo by Justin Ng
Tonight | Jul 23, 2015

EarthSky’s meteor shower guide for 2015

With little or no moon to ruin the show, this is a great year for watching the Perseid meteor shower. It’ll peak on the mornings of August 11, 12 and 13.

Artist's concept of Kepler 452b, an older, bigger cousin to Earth.  Image via NASA
Science Wire | Jul 23, 2015

Kepler-452b is older, bigger Earth cousin

The Kepler mission has confirmed the first near-Earth-size planet in the habitable zone – or zone where liquid water can exist – around a sunlike star.

A snapshot image from a computer simulation of a star disrupted by a supermassive black hole. The red-orange plumes show ... [more]
Image courtesy of J. Guillochon (Harvard University) and E. Ramirez-Ruiz (University of California at Santa Cruz)
Science Wire | Jul 23, 2015

What black holes like to eat

Astronomers have caught a monster black hole in the act of eating a star. But, they say, stars are not standard fare for black holes.

A second range of ice mountains has been discovered on Pluto.  Image via New Horizons spacecraft as it passed near on July 14, 2015.
Science Wire | Jul 22, 2015

More ice mountains in Pluto’s heart

A second range of ice mountains has been found on Pluto, in images from New Horizons.

View larger. | Pluto moons Nix and Hydra, imaged by New Horizons spacecraft on July 14, 2015.
Science Wire | Jul 22, 2015

Closest views yet of Nix and Hydra

Pluto has five known moons, and it’s a bit surprising that New Horizons hasn’t found any new ones yet. Newly released images show small moons Nix and Hydra.

360º view around the point of Philae's final touchdown. The three feet of Philae’s landing gear can be seen in some of the frames. Superimposed on top of the image is a sketch of the Philae lander in the configuration the lander team believed it was in November 2014.  Image credit: ESA/Rosetta/Philae/CIVA
Science Wire | Jul 20, 2015

Philae comet lander falls silent

The Rosetta team is hoping that a software patch will help re-establish reliable contact with the little Philae lander, lodged somewhere on the comet’s surface.

Breakthrough Listen is the largest ever scientific research program aimed at finding evidence of civilizations beyond Earth. T
Science Wire | Jul 20, 2015

Unprecedented $100 million SETI initiative

Breakthrough Listen initiative, announced Monday, will scan the nearest million stars, plus stars in 100 other galaxies, for signs of an advanced civilization.

Image credit:  JD Hancock
Science Wire | Jul 20, 2015

Intelligent life in the universe?

Scientific arguments suggest that alien civilizations should be common in our galaxy. If so, where is everybody? That question is known as the Fermi paradox.

Image Credit: NASA
Science Wire | Jul 20, 2015

This date in science: Apollo 11 and first footsteps on moon

Today is the 46th anniversary of humanity’s historic first steps on the moon. The story in pictures, here.

SG Collins explains why moon landings not faked
Blogs | Videos | Jul 20, 2015

Video: Moon hoax not

SG Collins explains why the Apollo moon landings on the moon in the late 1960s and early ’70s could not have been faked.