Why Are the Starliner Astronauts Still in Space: All the Details on a Mission Gone Awry - E! Online

NASA says astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore may not be able to return to Earth until 2025 .

The astronauts spent 26 hours successfully piloting Boeing 's Starliner craft to the International Space Station .

Their original mission was supposed to last for eight days and is now in its third month .

Boeing 's Starliner is a capsule capable of landing on solid ground or water.

Boeing 's first manned test flight to the International Space Station took place June 5 .

The mission was to certify the craft for once-a-year operational flights for six-month stays at the ISS .

The crew docked the craft successfully, but their return flight was postponed indefinitely.

Boeing says it's "confident" in Starliner 's ability to return safely with crew.

Boeing says 27 of 28 thrusters are "healthy and back to full operational capability" The astronauts are serving as "extra hands" working aboard the ISS while they're there.

They've been busy with station upkeep, inspecting hardware, organizing cargo, performing checks on Starliner .