Called CDG-2, this newly identified “ghostly” galaxy may be one of the most dark matter-dominated galaxies ever discovered, with a staggering 99% of its total mass made up of dark matter — a ...

Astronomers used AI to search 35 years of Hubble data and discovered over 1,300 rare cosmic anomalies hidden in plain sight.

Two research papers propose extreme gravitational slingshot trajectories that could fling a spacecraft onto a path to catch up with 3I/ATLAS, which NASA and the European Space Agency describe as an ...

Following a successful fueling test of its Artemis 2 moon rocket, NASA encountered another issue that will again delay the ...

NASA is preparing to roll its towering Artemis 2 moon rocket back to its hangar after more than a month atop ts Launch Pad 39B at the Kennedy Space Center due to a helium system issue. The rollback ...

NASA has delayed Artemis II once more after a helium system issue was detected in the Space Launch System rocket, pushing the ...

NASA's Artemis 2 moon mission is in trouble again after teams discovered a helium issue within the SLS rocket following successful wet dress rehearsal ...

Seven missions are on this week’s launch manifest, with SpaceX’s Falcon 9 dominating the schedule. Falcon 9 is expected to launch five Starlink missions from SpaceX’s launch sites in Florida and ...

A SpaceX Falcon 9 rocket is set to launch 29 Starlink satellites from Florida's Space Coast. Here's when and where to watch ...

Our solar system hosts almost 900 known moons; more than 400 orbit the eight planets while the remaining orbit dwarf planets, ...

From cabin fires to shuttle breakups, these five space disasters reshaped exploration forever — revealing how tragedy forced critical safety reforms and changed humanity’s journey beyond Earth.