Universe TodayMatthew Williams

Solar Oberth mission concept aims to intercept interstellar object 3I/ATLAS

A team from the Initiative for Interstellar Studies (i4is) proposes using a Solar Oberth manoeuvre (SOM) to intercept 3I/ATLAS, the third confirmed interstellar object. The paper maps trajectories and propulsion requirements for a fast flyby that could directly sample the object's composition and constrain its origin.

2026-02-15T16:52:30.152879-08:00
Universe TodayMark Thompson

JWST Detects Hydrogen Sulfide in HR 8799 Planets, Settling Planet vs. Brown Dwarf Debate

By Universe Today: The smell of rotten eggs has solved one of exoplanet science's most persistent mysteries. Astronomers using the James Webb Space Telescope have detected hydrogen sulfide gas in the atmospheres of four massive Jupiter like planets orbiting the star HR 8799, marking the first time this molecule has been identified beyond our Solar System.

2026-02-15T17:10:53.172083-08:00
NASAMark A Garcia

Dragon Hatches Open, Crew-12 Enters Station and Joins Expedition 74

By NASA: NASA astronauts Jessica Meir and Jack Hathaway, ESA (European Space Agency) astronaut Sophie Adenot, and Roscosmos cosmonaut Andrey Fedyaev entered the International Space Station at 5 p.m.

2026-02-14T15:00:49.236171-08:00