Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?
The crater left behind from the impact has yet to be found.
Astronomers watched as the supergiant WOH G64 reshaped itself into a different type of star.
The microbes "proved very hard to kill."
NASA’s Lunar Trailblazer satellite was supposed to map water across the surface of the Moon, but glaring design and testing errors killed it.
The four-star system features three stars in stable orbits, plus a fourth at a distance equal to Jupiter's orbit around our Sun.
Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed to fail.
Tardigrades are practically invincible on Earth, so scientists looked to outer space in search of their kryptonite.
The JUICE mission snapped photos of Comet 3I/Atlas after surviving its closest approach to the Sun.
The agency tacked on an additional flight in 2027 to test lunar landers in Earth orbit.
The first batch of alerts from the Vera Rubin Observatory drew attention to new asteroids, supernovae, and active galactic nuclei.
Vulcan Centaur is supposed to launch more than a dozen missions for the U.S. Space Force this year, but those flights could now face months-long delays.
An early morning eclipse will sweep across North America on March 3, posing a challenge for skywatchers along the eastern half of the continent.
During the record-long speech, the President made no mention of NASA's most important crewed mission since the Apollo era, even though the astronauts were in the audience.
Curiosity has been exploring a region filled with boxwork formations, which formed billions of years ago when water leaked through rock cracks.
A lucky alignment of galaxies allowed researchers to identify the most powerful and distant "space laser" ever found.
NASA has delayed the launch of this historic mission to April, but repairs could take even longer.
In a recent appearance, OpenAI CEO Sam Altman called the idea "ridiculous."
The telescope observed the ice giant for a full rotation, revealing how temperature and charged particles vary with altitude.
Watch out, Elon.
