New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

An alien comet from another star, 3I/ATLAS, is spewing vast amounts of methanol, a key molecule for life. Scientists reveal ...

Hubble, JWST, and ESA capture comet 3I/ATLAS blasting jets of gas and dust, offering scientists a rare chance to study ...

The Sun’s corona — its outermost atmosphere — is behaving in ways that are raising alarms among scientists. With NASA’s Parker Solar Probe and ESA’s Solar Orbiter diving closer than ever, new data ...

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

NASA is facing escalating questions from astronomers and independent researchers as scrutiny intensifies over the agency's ...

Gigantic sunspots of the groups AR 4294-4298 are currently rotating towards the Earth. Experts are observing possible auroras ...

NASA has drafted its Mars rover Perseverance to help monitor the sun’s activity. Every day for the next two months, the rover ...

Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

Lightning has been seen on other planets in the solar system, in the atmospheres of Jupiter and Saturn. Because Mars is cold ...

One of NASA's most critical communications antennas over rotated, damaging its fire-suppression system, causing a flood, ...