A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

It was, of course, a great joy for me when we could confirm the planet’s existence,” said Dr. Cretignier. “It was also a ...

Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...

Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.

NASA scientists have made a groundbreaking discovery that could change how we understand the dynamics of exoplanetary systems ...

Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...

An asteroid the size of One World Trade Center has a very small chance of crashing into Earth in the year 2182. But what ...

SETI scientists suggest that extraterrestrial civilizations could detect Earth through 'technosignatures' like planetary ...

If extraterrestrial civilizations exist with technology similar to ours, could they detect Earth? A team of SETI researchers ...

ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be ...

This image shows the habitable zone around the star HD 20794 (in green ... The current scientific consensus points to the existence of a planetary system for every star in our galaxy. Astronomers are ...