After a storied career with 5 spaceflights (including three trips to fix the Hubble Space Telescope), NASA astronaut John Grunsfeld now helms the space agency’s scientific missions. He helps shepherd …

What attributes set our species apart? Taming fire? Expressing artistically? Solving problems creatively? Recent discoveries that have already upended humankind’s origin story by expanding our family tree, are challenging long-held …

Are we alone in this vast universe? Some think that’s highly unlikely. With new technologies joining the search, NASA estimates we’ll find definitive evidence of aliens within 20 to 30 …

Join us for #YourDailyEquation with Brian Greene. Every Mon – Fri at 3pm EDT, Brian Greene will offer brief and breezy discussions of pivotal equations. Even if your math is a …

When listing clean renewable energy sources, solar, wind, and geothermal come to mind. But thanks to new reactor technologies, there’s a transformation afoot.

In this live discussion and Q & A, Brian Greene addresses a wide range of fascinating questions, taken directly from the live chat, and covering a variety of topics, from …