So, not only did the asteroid carry the basic elements for life, it also had a watery environment to help synthesize them into complex ingredients — like the DNA nucleobases that the NASA team ...

That "cell-free DNA" can be produced because of stress, NASA said, which, when you think about it, makes sense. Scott Kelly probably dealt with a lot of stress during his time in space ...

Many biological molecules are chiral, meaning they exist in two forms that are mirror images of each other, like left and ...

2. Shared by NASA, the image showcases a close-up view of an astronaut's bootprint in the lunar soil during the Apollo 11 extravehicular activity (EVA) on the moon. 3. Shown as a crown of white flares ...

The next available launch opportunity is no earlier than 7:26 pm EDT on Thursday, from Launch Complex 39A at NASA Kennedy ...

What is life? This is the typical big question scientists have been trying to answer for millenniums. But this time, the big ...

Meanwhile, someone with the same face, body, and DNA was back on Earth: his identical twin, Mark Kelly. Scott and Mark are the only twin NASA astronauts in history. Separated by 250 miles of space ...

NASA's two stuck astronauts may end up back on Earth a little sooner than planned. The space agency announced Tuesday that SpaceX will switch capsules for upcoming astronaut flights in order to ...

NASA’s OSIRIS-REx mission has delivered groundbreaking ... including amino acids and nucleobases—key components of proteins, DNA, and RNA. This discovery suggests that the conditions necessary ...

NASA's OSIRIS-REx mission found ingredients for DNA and RNA on the asteroid Bennu. The discovery shows asteroids could seed planets with the precursors for life. It's also more evidence that life ...