Anyone with even a cursory knowledge of the 1986 explosion of the space shuttle Challenger knows it was a national tragedy. But dig a little deeper, and it's even more heartbreaking.

With plans to launch the massive Starship from Florida next year, SpaceX defended its commitment to airspace safety after a ...

The Apollo 13 mission in 1969, featuring Jim Lovell, Jack Swigert and Fred Haise, was fraught with peril, a story brought to ...

The Apollo 13 mission in 1969 saw Jim Lovell, Jack Swigert and Fred Haise take off from earth on course for the moon. However ...

Tragedy forced NASA to evolve. After Columbia burned up on reentry, engineers asked if rescue was possible - while years earlier, Challenger's explosion sparked plans for safer unmanned shuttles.

In 1974, the project’s Science Working Group recommended that the telescope be required to resolve details at least one-tenth ...

"He cleared his throat. 'I want to say something, but I’m not sure I can.' He scrawled something and pushed it towards me." ...

Along the western edge of South America, the Andes Mountains encompass one of the largest concentrations of volcanoes on Earth. Many of these volcanoes are active, and in the historical record of ...

Given the mounting number of objects in orbit, this is likely to be a more regular occurrence. It's costly in terms of damage ...

A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

SpaceX reportedly informed the FAA about the mishap after the agency had already activated debris response areas.

Bucks County officials say the two people killed after explosions at a Bristol nursing home were a resident and a staff ...