Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance. The force is enormous—it makes up nearly 70% ...

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark energy is ...

Need a refreshing dose of solid grunge albums from the 1990s? If you’re burnt out by the big hits from bands like Nirvana, Pearl Jam, and Alice In Chains, why not give these five stellar records ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...