Thomas Mulligan shares NASA’s plans for an alien-hunting telescope positioned 1.5 million kilometers from Earth by 2040.

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

The Moon holds secrets we were never meant to see — or so the Apollo 20 story goes. Rumors swirl about a hidden crew sent to ...

NASA has confirmed the discovery of an Earth-sized planet parked right in the “habitable zone” of a distant red dwarf star.

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

A new probe in development known as GIRO represents a low-cost step toward unlocking the secrets of the outer planets, all through the invisible pull of gravity.

As the International Space Station whizzed over Mexico and the United States — before floodwaters catastrophically rose in ...

NASA's Mariner 4 captured the first-ever close-up image of Mars on July 14, 1965. While waiting for the data to be processed ...

NASA launched two 12-inch gold-plated copper disks filled with the sounds of children's laughter, heartbeats, and bird calls.

NASA has discovered the interstellar comet 3I/Atlas, located 4.5 au from the Sun, offering a rare glimpse into celestial ...