Today is a busy day! Mercury passes 2° south of Mars at 2 A.M. EDT — we’ll observe the pair in the evening sky, along with a Titan transit of Saturn. But first, the Orionid meteor shower peaks as the ...

The week features the observation of transient celestial events, including a recently identified supernova candidate (AT 2025yyn) in Ursa Major and Comet C/2025 A6 Lemmon, which is nearing naked-eye ...

A new analysis of archival Cassini spacecraft data has definitively confirmed that organic molecules detected in the icy plumes emanating from Saturn’s moon Enceladus originate directly from its ...

The Moon reaches apogee, the farthest point from Earth in its orbit, at 5:46 A.M. EDT. At that time, our satellite will stand 251,996 miles (405,548 km) away. With the Moon sinking low in the hours ...

Manual cardiopulmonary resuscitation (CPR) techniques, including the "handstand" method, are ineffective in microgravity due to the lack of a counter-force to compression, resulting in insufficient ...

September offers various celestial events, including Saturn and Neptune's oppositions, Mars's approach to solar conjunction, and favorable viewing of Uranus and Jupiter. Multiple transits of Saturn's ...

Geological evidence, including an Ordovician-era increase in earthquakes, tsunamis, meteorites, and crater formation, suggests a significant celestial event approximately 466 million years ago. A ...

Supernova SN 2023zkd, located 730 million light-years from Earth, was identified as anomalous by the Light curve Anomaly Identification and Similarity Search (LAISS) AI algorithm. SN 2023zkd exhibited ...

August 2025 offers several planetary conjunctions, including a close approach of Venus and Jupiter on August 12th, and a second conjunction of Saturn and Neptune on August 6th, with a third occurring ...

Planck's constant reveals the quantum world's fundamental energy levels. It shows how light and matter exist in discrete units (quanta). This constant defines limits to our knowledge of particle ...

Sean Duffy is NASA's new interim administrator. Duffy lacks prior space policy experience. NASA faces potential large budget cuts. Duffy will likely prioritize the President's space agenda. Key ...

Early June evenings offer a brief window to observe a conjunction of Jupiter and Mercury, best viewed with binoculars due to their low altitude and proximity to the sunset. Mars is visible throughout ...