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NASA's Spitzer Space Telescope has helped scientists get a better idea of the size of 'Oumuamua — the first known interstellar object to visit our solar system.

ESA's Science Programme Committee confirmed the continued operations of ten scientific missions in the agency's fleet up to 2022.

NASA's InSight lander is scheduled to touch down on the Red Planet at approximately 3 p.m. EST Nov. 26, and viewers everywhere can watch coverage of the event live on NASA Television, the agency's website and social media platforms.

NASA will host a live Science Chat at 2 p.m. EST Wednesday, Nov. 7, to discuss upcoming encounters of two of the agency’s planetary missions, New Horizons and OSIRIS-REx.

Engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, this week commanded the agency's Curiosity rover to switch to its second computer. The switch will enable engineers to do a detailed diagnosis of a technical issue that has prevented the rover's active computer from storing science and some key engineering data since Sept. 15.

If the InSight landing zone were ice cream, it would be vanilla.

NASA's Dawn spacecraft has gone silent, ending a historic mission that studied time capsules from the solar system's earliest chapter.

Every Mars landing is a knuckle-whitening feat of engineering. But each attempt has its own quirks based on where a spacecraft is going and what kind of science the mission intends to gather.

NASA has given approval for the implementation and 2021 launch of the Lucy spacecraft to the Trojan asteroids.

After nine years collecting data that indicate our sky to be filled with billions of hidden planets – more planets even than stars – NASA’s Kepler space telescope has run out of fuel.

After a review of the progress of the listening campaign, NASA will continue its current strategy for attempting to make contact with the Opportunity rover for the foreseeable future.

Parker Solar Probe now holds the record for closest approach to the Sun by a human-made object.