Solar cells containing crystals called perovskites can efficiently turn sunlight into electricity. But a consistent supply of ...

Historically planetary defense research has focused on deflecting asteroids by using momentum to nudge their cosmic course ...

New court documents claim the bullet that killed Charlie Kirk may not match the rifle allegedly used by defendant Tyler ...

The Bureau of Alcohol, Tobacco, Firearms and Explosives reportedly couldn't match bullet fragments from Kirk's autopsy to ...

Ammunition experts push back on viral coverage of a defense filing in the Tyler Robinson case, saying the science is not ...

Prosecutors in Utah are pushing back on defense claims about a key piece of forensic evidence in the killing of Turning Point ...