Some scientists have been poking at the foundations of dark energy, but many say the concept remains on solid, if mysterious, ground.
What does the science say about the safety of America’s chicken farming practice?
Early research suggests virus can protect rodents without negative side effects.
That’s when the two stars in the binary system V Sagittae are set to merge in a spectacularly luminous fashion.
Combine sand, gelatin and bacteria, let them rest, and watch one brick turn into eight.