The newly spotted quasi-moon will likely remain in its orbit for several decades to come.
“If this is a massive star, it is a collapse unlike anything we have ever witnessed before.”
NASA will hold a press conference to discuss an enigmatic Martian rock that contains possible biosignatures.
Also called a blood moon, the total eclipse will last an unusually long 83 minutes.
Researchers analyzed the orbit of 3I/ATLAS to try and narrow down where it came from.
After just 32 days of spaceflight, stem cells that play a vital role in blood and immune system health showed signs of accelerated aging.
The recently discovered interstellar object 3I/Atlas is set for a close flyby of Mars in October, where it can be observed by orbiters around the planet.
A former NASA administrator testified that it was “highly unlikely” the agency would win the new space race unless something changes.
Canada's first lunar rover will search for water at the Moon's south pole as part of an international effort to establish a sustainable human presence there.
The president cited Colorado's mail-in voting as a factor behind his decision.
A new executive order excludes NASA and other agencies from their collective bargaining rights, citing national security reasons.
A new study measured the correlation between the number of electrons in space and the sudden release of electrical charges from satellites.
Airplane-sized asteroid 2025 QD8 will come within roughly 136,000 miles (218,000 kilometers) of Earth on September 3.
This critical next step toward rapid reusability could come within the next several flight tests, CEO Elon Musk said.
A record-breakingly sharp image of a solar flare allowed astronomers to get a closer look into the Sun's mysterious coronal loops.
Most satellite constellations exceed recommended brightness levels, with some even visible to the naked eye.
ESA engineers worked through the night to troubleshoot an ill-fated software bug that jeopardized the mission.
The first JWST survey of 3I/ATLAS revealed more of the comet’s surprising characteristics, helping astronomers gain a clearer picture of where it came from.
SpaceX has returned to the winning column, with Starship Flight 10 going down about as well as the company could have hoped.
SpaceX had to call off its rocket's launch two days in a row due to a ground systems issue and uncooperative weather.
